# Industrial Fasteners & Screws for OEMs | Sen Chang > Reliable industrial fasteners and screws from Sen Chang. Explore our full range for OEM and aftermarket needs—request a quote today. ## Homepage - [Industrial Fasteners & Screws for OEMs | Sen Chang](https://www.senchang.com): Reliable industrial fasteners and screws from Sen Chang. Explore our full range for OEM and aftermarket needs—request a quote today. ## Company - [About Sen Chang – Screw & Fastener Manufacturer](https://www.senchang.com/en/page/company-profile.html): Learn about Sen Chang’s history, capabilities, and product lines. See how we support buyers and engineers from inquiry to delivery. - [Manufacturing Capabilities | Precision Stainless Steel Fasteners for OEMs - Sen Chang](https://www.senchang.com/en/page/Manufacturing-Capabilities.html): We Provide Customers with Satisfactory Products and Services. Produce Per Customer’s Drawing & Samples or IFI, DIN, BS, JIS, ISO. If you don’t find the fastener you’re looking for, please give us a call or sending us an email, we will make it anyway. Learn how Sen Chang became a global leader in stainless fastener manufacturing. Explore our certifications, values, and technical edge. - [Factory | Precision Stainless Steel Fasteners for OEMs - Sen Chang](https://www.senchang.com/en/page/factory.html): Learn how Sen Chang became a global leader in stainless fastener manufacturing. Explore our certifications, values, and technical edge. - [Quality Control | Precision Stainless Steel Fasteners for OEMs - Sen Chang](https://www.senchang.com/en/page/quality-control.html): Learn how Sen Chang became a global leader in stainless fastener manufacturing. Explore our certifications, values, and technical edge. ## Products - [Screw Categories & Applications | Sen Chang](https://www.senchang.com/en/category/index.html): Explore screw categories by application and head/drive type. Find the right family and proceed to detailed pages for specs and options. - [Premium Stainless Steel Wire Rod AISI & SUS Standards | Sen Chang](https://www.senchang.com/en/category/CATE-wire_rod.html): High-quality stainless steel wire rod from Japan & Taiwan. Types: 302HQ, 304, 316, 410, 430. Diameter 0.8-25mm. Oxalated coating for cold forming. - [Machine Screws Manufacturer - Stainless Steel M1.6-M16 | Sen Chang](https://www.senchang.com/en/category/CATE-machine_screws.html): Professional machine screws manufacturer with 45 years experience. Custom stainless steel machine screws M1.6-M16, multiple drives, ANSI/DIN/JIS standards. ISO certified. - [Self Tapping Screws Manufacturer | Stainless Steel | Sen Chang](https://www.senchang.com/en/category/CATE-tapping_screws.html): Professional self tapping screws in 302HQ, 304, 316 stainless steel. A/B/AB/Hi-Lo threads, multiple head styles & drives. Custom lengths 3.175-600mm available. - [Assembly Screws & SEMS Screws | Pre-Assembled Fasteners - Sen Chang](https://www.senchang.com/en/category/CATE-sems_screws.html): Professional SEMS screws combining screws and washers into pre-assembled components. Ideal for cabinet assembly with reusable, cost-saving design. - [Special Coating Screws - Protective & Decorative | Sen Chang](https://www.senchang.com/en/category/CATE-coating_screws.html): Professional coating screws with protective and decorative finishes. 45 years expertise in special coated fasteners for corrosion resistance and aesthetic applications. - [High Tensile Screws A2-70 to A4-100 | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/category/CATE-high_tensile_fasteners.html): Professional high tensile screws manufacturer offering A2-70~A2-100 and A4-70~A4-100 series. Advanced technology for cheese head, countersunk, hex washer fasteners. - [Stainless Steel Washers & Pins Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/category/CATE-washers_and_pins.html): Professional stainless steel washers & pins including flat washers, fender washers, cotter pins, hinge pins, and cup washers for vibration prevention. - [Special Screws, Studs, Nuts & Thumb Screws | Sen Chang Taiwan](https://www.senchang.com/en/category/CATE-other-screws.html): Specialty fasteners including studs, nuts, thumb screws, rivets, and nails. Custom manufacturing available with design diagrams. 45 years Taiwan expertise. ## Machine Screws - [Machine Screws Manufacturer - Stainless Steel M1.6-M16 | Sen Chang](https://www.senchang.com/en/category/CATE-machine_screws.html): Professional machine screws manufacturer with 45 years experience. Custom stainless steel machine screws M1.6-M16, multiple drives, ANSI/DIN/JIS standards. ISO certified. - [Custom Metal Threaded Cap Screw 18-8SS | Sen Chang](https://www.senchang.com/en/product/MA009-121201-1.html): Custom metal threaded cap screws with 1/8 internal hex in 18-8 stainless steel. ISO-compliant manufacturing with multi-blow headers and passivation. - [Knurled Studs with Custom Serration | Sen Chang 304 SS Manufacturer](https://www.senchang.com/en/product/MA009-150620-1.html): Professional knurled studs with serration under head in 304 stainless steel. ISO-compliant multi-blow header process with rigorous inspection. Custom serration available. - [Flat Head Phillips Machine Screw 410SS Type F | Sen Chang](https://www.senchang.com/en/product/MA013-151219-1.html): Professional 410SS flat head phillips machine screw with Type F thread cutting. ISO-compliant manufacturing with multi-blow headers. 45 years Taiwan expertise. - [Phillips Collar Screw M6x30mm 302HQ Machine Thread | Sen Chang](https://www.senchang.com/en/product/MB003-141205-1.html): Custom 302HQ collar screws with Phillips cross recess. Multi-blow header manufacturing, threading & passivation. ISO compliant inspection. Taiwan manufacturer. - [Custom Fillister Head Machine Screws with Six Lobe Recess | Sen Chang](https://www.senchang.com/en/product/MB003-150316-1.html): Custom fillister head machine screws with T20 six-lobe recess and slot cutting. Multi-blow header manufacturing with ISO compliance. M6 18-8 stainless steel. - [Binding Head Machine Screw Phillips Slotted Combo | Sen Chang](https://www.senchang.com/en/product/MB003-150907-1.html): DIN7985 binding head machine screws with Phillips/slotted combo recess and partial thread. ISO-compliant manufacturing with 45 years expertise. - [Flange Washer Head Machine Screw with Security Pin | Sen Chang](https://www.senchang.com/en/product/MB003-160103-1.html): M4x12mm flange washer head machine screw with six lobe security pin and clockwise serration. 18-8 stainless steel, multi-blow header manufacturing, ISO compliant. - [Custom Pan Head Machine Screws | 18-8 Stainless Steel - Sen Chang](https://www.senchang.com/en/product/ME005-130327-1.html): Custom pan head machine screws with slotted head in 18-8 SS. Multi-blow header manufacturing with ISO compliance. 45 years Taiwan fastener expertise. - [Indented Hex Washer Head Thread Rolling Screw | Sen Chang 305 SS](https://www.senchang.com/en/product/ME005-130706-1.html): Professional 305 stainless steel indented hex washer head screws with slotted recess. Thread rolling machine screws 1/4-20 with ISO compliance. Taiwan manufacturer. - [Hex Flange Head Machine Screws | 18-8 Stainless Steel - Sen Chang](https://www.senchang.com/en/product/MF008-110606-1.html): ISO-compliant indented hex flange head machine screws with 24 serrations. 18-8 SS construction, full thread, multi-blow header manufacturing. Taiwan precision quality. - [DIN933 Hex Cap Screws 18-8 Stainless Steel | Sen Chang](https://www.senchang.com/en/product/MF008-110828-1.html): Professional DIN933 hex cap screws in 18-8 SS with left hand thread and full thread options. Multi-blow header manufacturing with ISO inspection compliance. - [Binding Head Combo Drive Machine Screw M6 | Sen Chang Taiwan](https://www.senchang.com/en/product/MM006-120811-1.html): Professional 302HQ binding head machine screws with Phillips/Square combo drive. Full thread M6-1.0x50 specification. ISO-compliant manufacturing with rigorous inspection. - [Square Head Machine Thread Screws 316SS | Sen Chang Taiwan](https://www.senchang.com/en/product/MS007-090619-1.html): Professional square head machine screws with full thread in 316 stainless steel. Multi-blow header manufacturing with ISO compliance. Custom #10-24 specs available. - [Pan Head Phillips Thread Rolling Screw with Serrations | Sen Chang](https://www.senchang.com/en/product/MT001-111127-2.html): Professional M4 304 stainless steel pan head thread rolling screw with 18 serrations. Phillips drive machine screw manufactured with ISO compliance. - [DIN912 Hex Socket Cap Screws | Sen Chang Stainless Steel Fasteners](https://www.senchang.com/en/product/MT002-151230-1.html): Professional DIN912 hex socket cap screws in 410 stainless steel with partial thread. ISO-compliant manufacturing with multi-blow headers and precision inspection. - [Brass Hex Head Screw DIN931 M6 Machine Thread | Sen Chang](https://www.senchang.com/en/product/MV003-140107-1.html): Professional brass hex head screws DIN931 standard with M6-1.00x12 machine thread. Multi-blow header manufacturing with ISO inspection. Taiwan quality fasteners. - [Socket Head Cap Screws | 18-8 Stainless Steel - Sen Chang](https://www.senchang.com/en/product/MV003-150221-1.html): Professional socket head cap screws with hex socket and machine thread. ISO-compliant 18-8 SS manufacturing with multi-blow headers and rigorous inspection. - [Pen Head Square Recess Machine Screw w/ Cone Point | Sen Chang](https://www.senchang.com/en/product/MV003-150306-1.html): ISO-compliant pen head machine screws with square recess & sharp cone point. 18-8 SS, full thread, multi-blow header manufacturing. Taiwan quality fasteners. - [Indented Hex Head Bolt DIN933 Manufacturer | Sen Chang](https://www.senchang.com/en/product/BA009-110827-1.html): ISO-compliant indented hex head bolts in 18-8SS, fully threaded per DIN933. M6-M16 sizes with rigorous inspection. 45 years Taiwan manufacturing expertise. - [Stainless Steel Hex Head Bolt Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/product/BA009-110827-2.html): Professional indented hex head bolts in 18-8SS stainless steel. ISO-compliant manufacturing with precision inspection. Custom sizes available from Taiwan. - [Custom Brass Hex Washer Head M6 Fasteners | Sen Chang](https://www.senchang.com/en/product/BA009-120114-1.html): Custom chamfered brass hex washer head screws with machine thread. ISO-compliant manufacturing with rigorous inspection. M6-1.0×5.5mm specifications available. - [Custom Combo Sidewalk Head Bolt | Sen Chang Stainless Steel Fasteners](https://www.senchang.com/en/product/BA009-150226-1.html): Custom combo sidewalk head bolts with slotted Phillips design. 18-8SS material, multi blow header process. ISO compliant manufacturing from Taiwan. - [Stainless Steel T Head Bolt - Fully Threaded 304SS | Sen Chang](https://www.senchang.com/en/product/BE005-130619-1.html): Professional 304 stainless steel T head bolt with fully threaded coarse machine thread. ISO-compliant manufacturing with 45 years expertise in custom fasteners. - [Custom Penta Head Bolt Manufacturer | Sen Chang - 304SS Security Fasteners](https://www.senchang.com/en/product/BF008-151113-1.html): Custom penta head bolts with logo, skived grip gaging body & dog point. 304SS material, ISO compliant manufacturing. Taiwan specialist with 45 years experience. - [Indented Hex Head Bolt Manufacturer | 18-8 Stainless Steel - Sen Chang](https://www.senchang.com/en/product/BM006-120221-1.html): Professional indented hex head bolt manufacturer. 18-8SS, 1/4-20 size with integrated washer design. ISO compliant inspection. 45 years Taiwan experience. - [Flat Head Carriage Screw w/ Machine Thread | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/BM006-140302-1.html): ISO-compliant flat head carriage screws with machine thread and pointed square under head. 18-8SS material, precision manufactured. 45 years expertise. - [Stainless Steel T Head Bolt Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/product/BP004-140324-1.html): Custom 18-8 stainless steel T head bolts manufactured with multi blow header technology. ISO compliant precision threading. 45 years expertise in Taiwan. - [Chamfered Hex Washer Head Screws | DIN Compliant - Sen Chang](https://www.senchang.com/en/product/BT002-100927-1.html): Premium chamfered hex washer head screws in 302SS, partially threaded, DIN regulation compliant. ISO-inspected with acid washing treatment. M5*75 available. - [One-Way Slotted Security Bolt with 20 Serrations | Sen Chang](https://www.senchang.com/en/product/BTS-121121-1.html): Professional 302HQ one-way slotted sex thread bolt with 20 serrations. ISO-compliant tamperproof security fasteners for anti-theft applications from Taiwan. ## Tapping Screws - [Self Tapping Screws Manufacturer | Stainless Steel | Sen Chang](https://www.senchang.com/en/category/CATE-tapping_screws.html): Professional self tapping screws in 302HQ, 304, 316 stainless steel. A/B/AB/Hi-Lo threads, multiple head styles & drives. Custom lengths 3.175-600mm available. - [Pan Head Phillips Thread Forming Screw | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/TA013-110602.html): Professional 302 SS pan head phillips thread forming screws with 60° single lead design. ISO-compliant manufacturing with multi-blow headers. Taiwan quality. - [Flat Head Phillips Tapping Screws 316 SS | Sen Chang Taiwan](https://www.senchang.com/en/product/TA013-120503.html): Professional 316 stainless steel flat head Phillips tapping screws with 4 ribs and collated options. ISO-compliant manufacturing with 45 years expertise. - [Pan Washer Pozi Head Tapping Screws Type B | Sen Chang](https://www.senchang.com/en/product/TA013-141212-1.html): Premium 302HQ stainless steel pan washer head screws with Pozi drive and Type B thread. Beam tail & slotted tail design. ISO compliant manufacturing. - [Bugle Head Hex Slot Tapping Screws 316SS | Sen Chang](https://www.senchang.com/en/product/TA013-150216-1.html): Professional 316 stainless steel bugle head hex socket tapping screws with Type 17 thread cutting. ISO compliant manufacturing with multi-blow headers. - [Flat Head Tri Wing Tapping Screws Type AB | Sen Chang 304 SS](https://www.senchang.com/en/product/TA013-151108.html): Professional flat head tri wing tapping screws in 304 stainless steel. Multi-blow header manufacturing with ISO compliance. Type AB tapping for secure fastening. - [Pan Phillips High/Low Head Tapping Screws 316 SS | Sen Chang](https://www.senchang.com/en/product/TB003-130117-1.html): Premium 316 stainless steel pan Phillips high/low thread tapping screws. Multi-blow header manufacturing with ISO compliance. Salt spray tested for durability. - [Pan Head Phillips Tapping Screws Type A & 17 | Sen Chang](https://www.senchang.com/en/product/TB003-150629-1.html): ISO-certified 304J3 pan head phillips tapping screws. Type A thread forming & Type 17 cutting options. Multi-blow header manufacturing with full inspection. - [Bugle Head Square Tapping Screws | 302HQ Stainless Steel - Sen Chang](https://www.senchang.com/en/product/TE003-151103-1.html): Professional 302HQ stainless steel bugle head square tapping screws with broad thread cutting. Multi-blow header manufacturing, ISO compliant inspection. - [Round Washer Head Tapping Screws | Sen Chang Stainless Steel Fasteners](https://www.senchang.com/en/product/TE007-141107-1.html): Premium 18-8SS round washer head tapping screws with 60° asymmetric thread. Multi-blow header manufacturing, ISO compliant. 45 years Taiwan expertise. - [Pan Head Square Drive Type B Tapping Screws | Sen Chang](https://www.senchang.com/en/product/TM006-100618-1.html): 305 stainless steel pan head tapping screws with #1 square drive, Type B thread, and moon cut. ISO-compliant manufacturing with 45 years expertise. - [316 Stainless Steel Triangular Tapping Screws | Sen Chang](https://www.senchang.com/en/product/TM006-150407.html): Premium 316 SS triangular tapping screws with 48° thread design. ISO-compliant manufacturing with multi-blow headers and passivation. 45 years expertise. - [Flat Head Phillips Square Tapping Screw Type A | Sen Chang](https://www.senchang.com/en/product/TO005-150308.html): ISO-compliant flat head tapping screws with Phillips/Square drive, Type A thread. 302 HQ stainless steel. Multi-blow header manufacturing. 45 years expertise. - [Flat Phillips Tapping Screws | 18-8 Stainless Steel | Sen Chang](https://www.senchang.com/en/product/TP007-151006.html): Professional flat head phillips tapping screws with broad thread and pointed tail. 18-8 SS construction with ISO-compliant manufacturing. 45 years expertise. - [Very Thin Flat Head Drilling Screws with 6-Lobe Drive | Sen Chang](https://www.senchang.com/en/product/TV003-130416-1.html): Professional 410 stainless steel flat head drilling screws with 6-lobe T25 drive. Multi-blow header manufacturing with ISO compliance and rigorous inspection. - [Flat Head Square Drive Drilling Screw | Sen Chang 410SS Fasteners](https://www.senchang.com/en/product/TV003-130428.html): Professional 410SS flat head square drive drilling screws with #2 drilling tail. ISO-compliant manufacturing with multi-blow headers & passivation process. - [Flat Head Phillips Tapping Screws 18-8 Stainless Steel | Sen Chang](https://www.senchang.com/en/product/TV003-150926.html): Professional flat head phillips tapping screws in 18-8 SS with thread rolling technology. ISO-compliant manufacturing with multi-blow headers. Taiwan quality. - [Chamfered Hex Washer Head Drilling Screw | Sen Chang 410 SS](https://www.senchang.com/en/product/TV003-151127-1.html): Professional 410 stainless steel hex washer head drilling screws with chamfered design. Multi-blow header manufacturing, ISO inspection, salt spray tested fasteners. - [Chamfered Hex Washer Head Drilling Tapping Screw | Sen Chang](https://www.senchang.com/en/product/TV003-151130-1.html): Professional 18-8 stainless steel hex washer head drilling tapping screw Type AB. Multi-blow header manufacturing with ISO compliance and full inspection. ## Assembly Screws & SEMS Screws - [Assembly Screws & SEMS Screws | Pre-Assembled Fasteners - Sen Chang](https://www.senchang.com/en/category/CATE-sems_screws.html): Professional SEMS screws combining screws and washers into pre-assembled components. Ideal for cabinet assembly with reusable, cost-saving design. - [Chamfered Hex Washer Head SEMS Screws | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/SA009-150505-1.html): Professional chamfered hex washer head drilling tapping SEMS screws with EPDM washer. ISO-compliant manufacturing, 45 years expertise. Custom sizes available. - [Custom Chamfered Hex Washer Head SEMS Screws | Sen Chang](https://www.senchang.com/en/product/SE003-150813-1.html): Custom hex washer head SEMS screws with aluminum and black EPDM washers. ISO-compliant manufacturing with pointed SS tail. 45 years Taiwan expertise. - [Pan Head Plus Washer SEMS Screws | Sen Chang Stainless Steel Fasteners](https://www.senchang.com/en/product/SF002-150305-1.html): ISO-compliant pan head SEMS screws with integrated flat washers. Double triangular tapping, heat treating reports. M2-M16 sizes in 302HQ, 304SS, 316SS materials. - [Pan Head SEMS Screws with Rolling Serration Washers | Sen Chang](https://www.senchang.com/en/product/SF008-150522-1.html): ISO-compliant pan head SEMS screws with rolling serration washers. 8-32 size in 302HQ-430SS materials. Phillips recessed machine thread. Taiwan manufacturer. - [Hex Washer Head Drilling Screws with EPDM Gasket | Sen Chang](https://www.senchang.com/en/product/SG005-140902-1.html): ISO-certified directly cut chamfered hex washer head drilling screws with black Phillips EPDM gasket. Heat treating reports offered. 302HQ to 430SS materials available. - [Chamfered Phillips Hex Head SEMS Screws | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/SM006-121122-1.html): Professional M5 chamfered hex head SEMS screws with A2 flat washer. ISO-compliant thread rolling, multi-material options. 45 years Taiwan manufacturing expertise. - [Chamfered Hex SEMS Screws with A2 Washers | Sen Chang](https://www.senchang.com/en/product/SM006-150610-1.html): Professional chamfered hex Phillips SEMS screws with rolled A2 flat washers. ISO-compliant manufacturing, tapping type AB, 302-430SS materials. Taiwan quality. - [Chamfered Hex Washer SEMS Screws | Sen Chang - ISO Compliant](https://www.senchang.com/en/product/SP002-150611-1.html): Professional chamfered hex washer SEMS screws with nylon washers. 45 years expertise in stainless steel fasteners. ISO-compliant manufacturing & inspection. ## Coating Screws - [Special Coating Screws - Protective & Decorative | Sen Chang](https://www.senchang.com/en/category/CATE-coating_screws.html): Professional coating screws with protective and decorative finishes. 45 years expertise in special coated fasteners for corrosion resistance and aesthetic applications. - [Indented Hex Washer Head Self-Drilling Screws | Sen Chang Taiwan](https://www.senchang.com/en/product/CA009-150428-1.html): Dacromet coated indented hex washer head screws with flat tail design. 410 SS construction with multi-blow header technology and ISO inspection compliance. - [Pan Head Phillips Yellow Zinc Plated Coating Screws | Sen Chang](https://www.senchang.com/en/product/CA009-150614-1.html): 410 SS pan head phillips screws with trivalent chromium yellow zinc plating. 500+ hours salt spray resistance. Complete with EPDM washer assembly. - [Chamfered Hex Washer Head Screws | Sen Chang Coating Fasteners](https://www.senchang.com/en/product/CE005-150301-1.html): ISO-compliant slotted chamfered hex washer head screws with serration, trivalent chromium zinc plating. 430SS material with multi-blow header technology. - [Chamfered Hex Washer Head Machine Screw with Blue Nylok | Sen Chang](https://www.senchang.com/en/product/CM006-110711-1.html): 302HQ stainless steel chamfered hex washer head machine screw with blue nylok coating. Machine slotted head, 17Lbs torsion. ISO-compliant manufacturing. - [Indented Hex Round Washer Bolt M6 A2-80 | Sen Chang](https://www.senchang.com/en/product/CM006-140821-1.html): Premium M6 indented hex round washer bolt with passivated thread. A2-80 tensile strength, 18-8 SS material. ISO compliant manufacturing with salt spray testing. - [Dacromet Hex Washer Head Drilling Screws | Sen Chang 410SS Fasteners](https://www.senchang.com/en/product/CM006-150318-1.html): Chamfered hex washer head drilling tail screws with trivalent Dacromet coating. 410SS construction, 1000+ hours salt spray resistance. ISO-compliant manufacturing. - [Internal Hex Head Screw with Blue Nylok Coating | Sen Chang](https://www.senchang.com/en/product/CM006-150412-1.html): M8 internal hex head screw with trivalent chromium zinc plating and blue nylok coating. Grade 8.8 hardness, heat treated with ISO compliant inspection. - [Button Head Hex Screws with Blue Nylok Coating | Sen Chang](https://www.senchang.com/en/product/CM006-150412-2.html): 18-8 SS button head internal hex screws with SEMS washer and blue Nylok coating. Multi-blow header manufacturing with ISO inspection compliance. - [Internal Hex Head Screws with Blue Nylok Coating | Sen Chang](https://www.senchang.com/en/product/CM006-150412-3.html): Professional 18-8 SS internal hex head screws with blue nylok coating. Partially threaded, recessed pin design. ISO-compliant inspection. 45 years expertise. - [Stainless Button Head Hex Recessed Screws | Sen Chang Taiwan](https://www.senchang.com/en/product/CM006-150717-1.html): Professional 18-8 stainless steel button head screws with hex recess and passivation. Multi-blow header technology, ISO compliant. 45 years expertise. - [Pan Head Phillips Machine Screws 304SS Coated | Sen Chang](https://www.senchang.com/en/product/CM006-151104-1.html): Premium 304SS pan head phillips machine screws with trivalent dark green plating. ISO-compliant multi-blow header manufacturing with salt spray testing. - [410SS Flat Head Drilling Screws Black Zinc Plated | Sen Chang](https://www.senchang.com/en/product/CM008-150812-1.html): M4x20 410SS flat head drilling screws with #1 square drive, black zinc plated & beeswaxed. ISO-compliant manufacturing with multi-blow header technology. - [Flat Head Square Recess Drilling Machine Screw | Sen Chang 410SS](https://www.senchang.com/en/product/CM008-151131-1.html): M4 410SS flat head square recess screw with black zinc plating & beeswax coating. Multi-blow header manufacturing with ISO-compliant inspection protocols. - [Flat Head Phillips Spray Painted Coating Screws | Sen Chang](https://www.senchang.com/en/product/CP007-100215-1.html): Professional flat head phillips coating screws with PC108 paint on head. Carbon steel zinc plated with coarse pointed tail. ISO compliant manufacturing from Taiwan. - [Flat Head Phillips Coating Screws with Painted Head | Sen Chang](https://www.senchang.com/en/product/CP007-100715-1.html): Flat head phillips coarse pointed tail coating screws with milky white paint. Carbon steel zinc yellow plated. ISO-compliant multi-blow header manufacturing. - [Flat Head Phillips Coating Screws | 410SS Zinc Plated - Sen Chang](https://www.senchang.com/en/product/CP007-100807-1.html): Premium 410SS flat head Phillips coarse pointed tail screws with zinc plating & gray paint coating. Heat treated, ISO compliant. 45 years Taiwan manufacturer. - [Pan Head Phillips Drilling Screws with White Coating | Sen Chang](https://www.senchang.com/en/product/CP007-100809-1.html): 410 SS pan head drilling screws with PC104 white paint. Multi-blow header manufacturing, ISO compliant inspection. Reliable drilling tail fasteners. - [Flat Head Phillips Coating Screws 410SS | Sen Chang](https://www.senchang.com/en/product/CP007-101109-1.html): Professional 410SS flat head phillips coarse pointed tail screws with PC65 paint coating. ISO-compliant manufacturing with multi-blow header technology. - [Nickel Plated Brass Pan Head Phillips Screws | Sen Chang](https://www.senchang.com/en/product/CP007-110719-1.html): Premium brass C2600 pan head phillips screws with nickel plating. Multi-blow header manufacturing, ISO compliant inspection, machine thread fasteners. - [Flat Head Phillips Yellow Zinc Coating Screws | Sen Chang](https://www.senchang.com/en/product/CP007-111117-1.html): 410 SS flat head phillips screws with trivalent yellow zinc plating and gray paint. ISO-compliant multi-blow header manufacturing. Custom coating fasteners. - [Half Round Head Phillips Tapping Screws | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/CP007-130427-1.html): ISO-certified half round head phillips tapping screws with zinc plating and yellow paint coating. Multi-blow header manufacturing with passivation treatment. - [Flat Head T40 6-Lobe Black Painted Tapping Screws | Sen Chang](https://www.senchang.com/en/product/CP007-140519-1.html): Professional flat head tapping screws with T40 6-lobe drive and black paint coating. 302HQ stainless steel with Type A threading. ISO-compliant manufacturing. - [Flat Head Phillips Yellow Zinc Coating Screws | Sen Chang](https://www.senchang.com/en/product/CP007-150725-1.html): 410 SS flat head Phillips screws with trivalent chromium yellow zinc plating. 500+ hours AASS antirust protection. ISO-compliant manufacturing with 45 years expertise. - [Flat Head Phillips Coating Screws | Yellow Zinc Plated | Sen Chang](https://www.senchang.com/en/product/CP007-151006-1.html): 410 SS flat head Phillips coating screws with trivalent chromium yellow zinc plating. 500+ hours salt spray resistance. ISO-compliant manufacturing from Taiwan. - [Pan Head Square Drilling Screw with White Paint | Sen Chang](https://www.senchang.com/en/product/CS018-140413-1.html): 410SS pan head square drilling screw with white painted head. Multi-blow header manufacturing, heat treated, ISO compliant. Taiwan quality fastener. - [Pan Head Square Rec Drilling Screw with Brown Paint | Sen Chang](https://www.senchang.com/en/product/CS018-150215-1.html): 410SS pan head square recess drilling screw with brown painted head. Multi-blow header manufacturing, heat treated, ISO compliant inspection. Taiwan quality. - [Pan Head Phillips Drilling Screw 410SS Black Paint | Sen Chang](https://www.senchang.com/en/product/CS018-150215-2.html): Professional 410SS pan head phillips drilling screws with black paint coating. Multi-blow header technology, heat treatment & ISO compliant inspection. - [Button Head T30 6-Lobe Pin Screw | Nano Silver Coating | Sen Chang](https://www.senchang.com/en/product/CT002-141009-1.html): 316 SS Button Head T30 6-Lobe Recessed Pin Screw with Nano Silver Coating. A4-80 grade M6x12 coating screws. ISO compliant manufacturing with full inspection. - [Pan Head Square Recess Tapping Screws Type AB | Sen Chang](https://www.senchang.com/en/product/CV003-150819-1.html): 410SS pan head tapping screws with square recess, trivalent chromium white zinc plating & dehydrogenation. Multi-blow header manufacturing with ISO compliance. ## High Tensile Screws - [High Tensile Screws A2-70 to A4-100 | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/category/CATE-high_tensile_fasteners.html): Professional high tensile screws manufacturer offering A2-70~A2-100 and A4-70~A4-100 series. Advanced technology for cheese head, countersunk, hex washer fasteners. - [316 Flat Head Square Tapping Screw A4-80 Type AB | Sen Chang](https://www.senchang.com/en/product/HA013-120317-1.html): Premium 316 stainless steel flat head square tapping screw with Type AB thread and A4-80 tensile strength. ISO-compliant manufacturing with rigorous inspection. - [Pozi Hex Head Bolt with Flat Washer | High Tensile Fastener - Sen Chang](https://www.senchang.com/en/product/HB003-110610-1.html): Professional hex head bolt with Pozi drive & threaded flat washer A2. 70kgf/mm² tensile strength, DIN933/DIN6902A compliant. ISO-certified manufacturing process. - [Indented Chamfered Hex Washer Head Bolt | Sen Chang High Tensile Fastener](https://www.senchang.com/en/product/HB003-131116-1.html): Professional M6 indented chamfered hex washer head bolt in 18-8SS with 80kgf/mm² tensile strength. ISO-compliant manufacturing with multi-blow header technology. - [Indented Hex Washer Head Bolt A4-80 High Tensile | Sen Chang](https://www.senchang.com/en/product/HB003-150119-1.html): Professional 302HQ indented chamfered hex washer head bolts with A4-80kgf/mm² tensile strength. Multi-blow header technology with ISO compliance inspection. - [Indented Hex Bolt 70kgf/mm2 High Tensile | Sen Chang](https://www.senchang.com/en/product/HB003-150211-1.html): Professional indented hex socket head bolt with DIN933 compliance, 70kgf/mm2 tensile strength, integrated DIN6902A washer. ISO-inspected 18-8 stainless steel fasteners. - [Custom 316 SS A4-70 Hex Head Screws | Sen Chang High Tensile Fasteners](https://www.senchang.com/en/product/HB003-150232-1.html): Custom hex head screws in 316 stainless steel A4-70 grade. Multi-blow header technology, ISO compliant inspection, and 45 years manufacturing expertise. - [316 Stainless Steel High Tensile Bolts A4-90 | Sen Chang](https://www.senchang.com/en/product/HB003-150906-2.html): Premium 316 SS bolts with A4-90~100 tensile strength. Multi-blow header formation, acid washing & ISO-compliant inspection. 45 years manufacturing expertise. - [Chamfered Hex Washer Head Machine Thread | Sen Chang High Tensile Fastener](https://www.senchang.com/en/product/HB003-150925-1.html): ISO-compliant chamfered hex washer head machine thread in 18-8 SS. 80kgf/mm² tensile strength, 2719LBS bearing value. Multi-blow header precision manufacturing. - [Custom Fillister Head High Tensile Fasteners A2-70 | Sen Chang](https://www.senchang.com/en/product/HB003-151110-1.html): Custom fillister head screws with 6-lobe T15 drive and A2-70 tensile strength. 18-8 stainless steel, partially threaded, ISO compliant manufacturing. - [Flat Internal Hex Head High Tensile Screw | Sen Chang 316SS BSW Thread](https://www.senchang.com/en/product/HM008-090306-1.html): DIN7791 compliant flat internal hex head screws in 316SS with BSW threading. 80kgf/mm² tensile strength. ISO-certified manufacturing with rigorous inspection. - [DIN912 Internal Hex Head Screw 316SS A4-80 | Sen Chang](https://www.senchang.com/en/product/HT002-121119-1.html): Professional 316 stainless steel internal hex head screws complying with DIN912. A4-80 grade with 80kgf/mm² tensile strength, ISO-compliant manufacturing. - [Chamfered Hex Washer Head Drilling Screw A2-80 | Sen Chang](https://www.senchang.com/en/product/HV003-150417-1.html): Professional #14-14 chamfered hex washer head drilling screw in 18-8SS with A2-80 tensile strength. Multi-blow header formation, ISO compliant inspection. ## Stainless Steel Washer - [Stainless Steel Washers & Pins Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/category/CATE-washers_and_pins.html): Professional stainless steel washers & pins including flat washers, fender washers, cotter pins, hinge pins, and cup washers for vibration prevention. - [DIN2093 Conical Spring Washer 301 SS | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WA022-151023-1.html): Professional 301 stainless steel conical spring washer complying with DIN2093 standard. Laser cutting precision with ISO inspection. 45 years expertise. - [Neobonded Galvanized Washer with EPDM | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WE003-150517-1.html): Premium neobonded galvanized washers with black EPDM sealing. Laser-cut precision, zinc plated with passivation. ISO-compliant manufacturing from Taiwan. - [Neoprene Washers - Laser Cut Rubber Sealing Solutions | Sen Chang](https://www.senchang.com/en/product/WG005-140902-1.html): ISO-compliant neoprene washers with laser cutting precision. Custom rubber washers with rigorous inspection. 45 years Taiwan manufacturing expertise. - [18-8 Stainless Steel Cup Washer | Laser Cut Precision - Sen Chang](https://www.senchang.com/en/product/WH004-110112-1.html): ISO-compliant 18-8 SS cup washers manufactured with laser cutting precision. Sizes #6-#14 available. 45 years Taiwan manufacturing expertise ensures quality. - [18-8 Stainless Steel Flat Washers | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WH004-110112-5.html): Precision laser-cut flat washers in 18-8 SS. ISO-compliant inspection with calipers & 2.5D projector. Custom sizes available from Taiwan's trusted manufacturer. - [18-8 Stainless Steel Cotter Pins | ISO Compliant - Sen Chang](https://www.senchang.com/en/product/WH004-110112-a.html): Professional manufacturer of 18-8 SS cotter pins with precision bending process. ISO-compliant inspection using calipers and 2.5D projector. 45 years Taiwan quality. - [1/4" 18-8 Stainless Steel Flat Washers | Sen Chang Taiwan](https://www.senchang.com/en/product/WM006-100531-1.html): Premium 1/4" flat washers in 18-8 stainless steel. Laser-cut precision with ISO-compliant inspection. 45 years Taiwan manufacturing expertise. - [Brass Flat Washer - Tin Plated ANSI B18.22.1 | Sen Chang](https://www.senchang.com/en/product/WM006-130329-1.html): Professional brass flat washer with tin plating complying ANSI B18.22.1. Laser cutting precision, ISO inspection. Taiwan manufacturer with 45 years experience. - [M8 Internal Serrate Washer 304SS Black Zinc | Sen Chang](https://www.senchang.com/en/product/WM006-130608-1.html): ISO-compliant M8*15 internal serrate washers in 304SS with black zinc plating. JIS B 1255 certified. Laser-cut precision with full inspection. Taiwan manufacturer. - [301 Stainless Steel Conical Washers | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WM006-140225-1.html): ISO-compliant 301 SS conical washers with laser cutting precision. Fully inspected with 2.5D projector. 45 years Taiwan manufacturing expertise. - [Stainless Steel Cotter Pin Manufacturer | Sen Chang Industrial](https://www.senchang.com/en/product/WM006-141201-1.html): Professional cotter pin manufacturer with 45 years experience. ISO-compliant stainless steel cotter fasteners for industrial applications. Taiwan quality. - [304 Stainless Steel Flat Washers | Sen Chang ISO Certified](https://www.senchang.com/en/product/WM006-150526-1.html): Premium 304SS flat washers with laser cutting precision and passivation treatment. ISO-compliant inspection with 45 years Taiwan manufacturing expertise. - [304 Stainless Steel Flat Washer | Sen Chang - ISO Compliant](https://www.senchang.com/en/product/WM006-150605-1.html): Premium 304 SS flat washers with laser cutting precision. ISO-compliant inspection using calipers & 2.5D projector. 45 years Taiwan manufacturing expertise. - [DIN137B Wave Washer M8 304 Stainless Steel | Sen Chang](https://www.senchang.com/en/product/WM008-100918-1.html): Professional Wave Washer manufacturer with laser cutting process. M8*15*0.4 304 SS complying DIN137B standard. ISO inspection with 45 years expertise. - [18-8 Stainless Steel Flat Washer | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WP004-101118-1.html): ISO-compliant 18-8 SS flat washers with laser cutting precision. 45 years manufacturing expertise. Rigorously inspected with calipers & 2.5D projector. - [18-8 Stainless Steel Spring Washers | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/WP004-101118-2.html): Professional 3/8" spring washers in 18-8 SS with laser cutting precision. ISO-compliant inspection using calipers and 2.5D projector. 45 years Taiwan manufacturing. - [#10 Spring Washer 18-8 Stainless Steel | Sen Chang Taiwan](https://www.senchang.com/en/product/WP007-110713-1.html): Professional #10 spring washer in 18-8 SS with laser cutting technology. ISO-compliant inspection with calipers and 2.5D projector. Taiwan manufacturer with 45 years experience. ## Stud & Nuts & Thumb screw - [Special Screws, Studs, Nuts & Thumb Screws | Sen Chang Taiwan](https://www.senchang.com/en/category/CATE-other-screws.html): Specialty fasteners including studs, nuts, thumb screws, rivets, and nails. Custom manufacturing available with design diagrams. 45 years Taiwan expertise. - [Double End Screw Machine & Wood Thread Fastener | Sen Chang](https://www.senchang.com/en/product/OA009-150919-1.html): Professional double end screw with 1/4-20 machine thread and pointed wood thread. ISO-compliant threading and acid washing. 302-430SS materials available. - [316SS Flat Head Nail Screw with Pointed Tail | Sen Chang](https://www.senchang.com/en/product/OA013-080212-1.html): Custom 316 stainless steel flat head nail screws with chessboard slot & annular groove. ISO-compliant manufacturing with 45 years expertise from Taiwan. - [Rose Head Pointed Nail Screws with Annular Groove | Sen Chang](https://www.senchang.com/en/product/OA013-080328-1.html): Professional rose head screws with annular groove and pointed nail design. ISO-compliant threading, acid washing, 302HQ/304SS/316SS materials. 45 years Taiwan expertise. - [Rose Head Pointed Nail with Annular Groove | Sen Chang Taiwan](https://www.senchang.com/en/product/OA013-080328-2.html): Professional rose head pointed nail manufacturer. 2.8x50mm threaded nail with annular groove, 302HQ/304SS/316SS materials. ISO-compliant inspection. Taiwan quality. - [Flat Head Pointed Nail Screws | Custom Stainless Steel Fasteners - Sen Chang](https://www.senchang.com/en/product/OA013-101016-1.html): Custom flat head pointed nail screws with chessboard-grid slotted head and annular groove. ISO-compliant manufacturing, 302HQ/304SS/316SS materials. 45 years expertise. - [Flat Head Pointed Nail | Custom Stainless Steel Fastener - Sen Chang](https://www.senchang.com/en/product/OA013-120503-1.html): Custom flat head pointed nail with chessboard grid design. 302HQ, 304SS, 316SS materials. ISO-compliant threading & acid washing. Taiwan manufacturer since 1980. - [Stainless Steel M-Shape Staple Fastener | Sen Chang Taiwan](https://www.senchang.com/en/product/OA013-151222-1.html): Custom M-Shape & Z-Shape stainless steel staples in 302HQ, 304SS, 316SS. ISO-compliant manufacturing with surface brightening and precision bending. - [Stainless Steel Thumb Screws | Machine Thread - Sen Chang](https://www.senchang.com/en/product/OE005-120118-1.html): ISO-compliant thumb screws with 110 vertical knurled lines. Machine thread #8-32, flat head design. Available in 302HQ, 304SS, 316SS. Taiwan manufacturer. - [430 Stainless Steel Bolt with Serration | Sen Chang Taiwan](https://www.senchang.com/en/product/OE005-140920-1.html): Professional 430 SS bolt with grip gaging body & serration under head. Threading & acid washing process. ISO compliant inspection. Taiwan manufacturer. - [Custom Female Nail with Serration | Sen Chang ISO Certified](https://www.senchang.com/en/product/OE005-151026-1.html): Custom female nails with 29 serrations under head, internal tapping, and skived diameter. ISO-compliant manufacturing from Taiwan with 45 years expertise. - [Hex Lock Nylon Nut 18-8 Stainless Steel | Sen Chang Taiwan](https://www.senchang.com/en/product/OH004-091235-1.html): Professional hex lock nylon nut manufacturer. 18-8SS material, 5/16-18 specification. ISO compliant with acid washing & lock nylon molding. 45 years experience. - [Bronze Closed Rivet C2600 Chamfered Head | Sen Chang Taiwan](https://www.senchang.com/en/product/OH004-100213.html): ISO-compliant Bronze C2600 Closed Rivet with chamfered head and natural formation. Oil-free design with rigorous inspection. 45 years manufacturing expertise. - [Hex Machine Nut #8-32 Stainless Steel 18-8 | Sen Chang Taiwan](https://www.senchang.com/en/product/OH004-110112-4.html): Professional hex machine nuts in 18-8 stainless steel. ISO-compliant manufacturing with tapping and acid washing. 45 years Taiwan expertise. #8-32 specification. - [DIN439 Hex Wafer Nut M10 304SS 316SS | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/OM006-101135.html): Professional hex wafer nut manufacturer. DIN439 M10-1.5 in 304SS, 316SS, 302HQ. ISO compliant with acid washing process. 45 years Taiwan experience. - [K-Shape Nut with Lock Knurl Washer | Sen Chang Stainless Steel](https://www.senchang.com/en/product/OM006-110827-1.html): Professional K-Shape Nut with Lock Knurl Washer in 18-8SS. #10-32 specification with nylon molding, acid washing, and ISO-compliant inspection. Taiwan manufacturer. - [Hex Brass Nut Tin Plated | DIN934 ANSI Compliant - Sen Chang](https://www.senchang.com/en/product/OM006-130312-1.html): Professional hex brass nut manufacturer with tin plating. Complies with DIN934 & ANSI B18.2.2 standards. 302HQ, 304SS, 316SS available. ISO inspected quality. - [Brass Square Nut M4-0.7 Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/product/OM006-140211-1.html): Professional brass square nut M4-0.7 with passivation treatment. ISO-compliant inspection, precision manufacturing. 45 years Taiwan fastener expertise. - [Indented Hex Round Washer Nut DIN 6923 | Sen Chang A2-70 Stainless Steel](https://www.senchang.com/en/product/OM006-150711.html): Professional M10 hex round washer nut with serration. DIN 6923 compliant, A2-70 grade, passivated finish. ISO-inspected stainless steel nuts from Taiwan. - [M10 Hex Socket Nut 304SS JIS B1183 | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/OM008-100918.html): ISO-compliant M10 hex socket integrated nut in 304SS. Acid-washed, precision-inspected with 45 years manufacturing expertise. JIS B1183 standard compliance. - [DIN1587 Hex Covered Nut M10 304SS | Sen Chang Taiwan Manufacturer](https://www.senchang.com/en/product/OM008-101101.html): ISO-compliant DIN1587 hex covered nuts in M10 304SS. Precision tapping, acid washing & full inspection. 45 years Taiwan manufacturing expertise. - [316 SS Partially Twisted Round Head Thread Screws | Sen Chang](https://www.senchang.com/en/product/OP004-081216.html): ISO-compliant #2*1/2" 316 stainless steel partially twisted round head thread screws. Multi-blow header manufacturing with precision inspection. - [Cheese Head Twisted Thread Screws | Sen Chang Stainless Steel Fasteners](https://www.senchang.com/en/product/OP004-100529-1.html): Custom cheese head screws with partially twisted thread and pointed tail. ISO-compliant manufacturing with acid washing. Available in 302HQ, 304SS, 316SS. Taiwan made. - [Hex Nut 5/16-24 18-8SS Manufacturer | Sen Chang Industrial](https://www.senchang.com/en/product/OP004-110716-1.html): Professional hex nut manufacturer with nylon lock molding. 5/16-24 specification in 18-8SS material. ISO compliant inspection. Taiwan made quality fasteners. - [T25 6-Lobe Drive L-Shape Wrench with PIN | Sen Chang Taiwan](https://www.senchang.com/en/product/OP004-140701-1.html): Professional L-shape 6-lobe drive wrench with PIN, T25 specification, sandblasted CRV material. ISO compliant inspection. T4-T100 production range available. - [Torx PIN Security Tapping Nut Manufacturer | Sen Chang Taiwan](https://www.senchang.com/en/product/OS013-130712-1.html): ISO-compliant flat head Torx PIN tapping nuts in 302HQ-430SS. Internal tapping security nuts M1.6-M16 with acid washing. 45 years Taiwan expertise. - [Flat Head Internal Hex Socket Wood Screws | Sen Chang Stainless Steel](https://www.senchang.com/en/product/OS018-150918-2.html): Professional flat head wood screws with internal hex socket & limited head height. 302HQ-430SS materials, partially threaded design. ISO-compliant manufacturing. ## Contact Us - [Contact Sen Chang – Fastener Inquiries & Quotes](https://www.senchang.com/en/page/contact-info.html): Contact Sen Chang for fastener inquiries and quotations. Send part lists or drawings and our team will follow up. - [Privacy Policy | Precision Stainless Steel Fasteners for OEMs - Sen Chang](https://www.senchang.com/en/page/Privacy_Policy_Statement.html): Sen Chang respects the privacy rights and interests of each customer. Sen Chang will observe the principles when processing your personal information fairly and lawfully. We take the protection of personal data very seriously. We want you to know when we are storing your data, what data we are storing and how we are using it. Learn how Sen Chang became a global leader in stainless fastener manufacturing. 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