Machine Screws | Wholesale stainless steel screws suppliers | Sen Chang

Hex head, Hex washer head, countersunk, round head, pan head machine screws. | Industrial screws manufacturer | Sen Chang

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Machine Screws | High-tensile stainless steel fasteners for industrial use | Sen Chang

Located in Taiwan since 1968, Sen Chang Industrial Co., Ltd. has specialized in manufacturing a diverse range of screws, nuts, and bolts, including Machine Screws, stainless steel, wood, and coated screws. Our products, such as self-tapping, machine, and hex head screws, are not only versatile but also CE and ISO9001 certified. We offer materials like brass, stainless steel, copper, and aluminum to meet various industrial needs. Our commitment to quality and innovation sets us apart in the fastener industry.

SEN CHANG, with over 45 years in the fastener industry, specializes in high-tensile strength stainless steel fasteners. Renowned for their diverse range of industrial screws, rivets, and custom hardware, they ensure top-quality through rigorous testing. Catering to specialized sectors, including baby care and thermometer manufacturing, SEN CHANG is the go-to source for durable, precision-engineered fastening solutions. Their commitment to innovation and quality makes them a trusted partner in the industry.

Sen Chang has been supplying custom stainless steel fasteners to customers, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.

Machine Screws

Hex head, Hex washer head, countersunk, round head, pan head machine screws.
Hex head, Hex washer head, countersunk, round head, pan head machine screws.

Machine screws have tense threads and are steady, but between the threads, there is not too much space between the threads. So they are better used in prepared holes like nuts or machines, this is why these screws are called machine screws. If the screw size has an “M” in the beginning, then we can make sure that it is a machine screw.


  • Materials: 302HQ, 304, 304J3, 305, 316, 410, 410H, 420, 430
  • Drives: Phillips, Slotted, Phillips+Slotted, Six Lobes, Six Lobes+ Security Pin, Hex Socket, Hex Socket with Pin, Square, Phillips+ Square, Pozi, Tri-Wing, etc.
  • Machine Threads: According to ANSI / DIN / BSW / JIS Machine Threads standard (M1.6~M16), Left-Hand Threads, Thread Rolling Screws, etc.
  • Screw Lengths: 1/8"~24" / 3.175mm~600mm
  • Customized products are available.
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