Search Machine Thread | CE Coating Screws & High-Tensil Screws Manufacturer - Sen Chang

45 years of experiences for production stainless steel fasteners.

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Sen Chang Machine Thread Service Introduction

Sen Chang Industrial Co., Ltd. is Taiwan Machine Thread supplier and manufacturer with more than 48 years experence. Since 1968, in the fastener for industrial applications, Sen Chang has been offering our customers high quality Machine Thread production service. With both advanced technology and 48 years experience, Sen Chang always make sure to meet each customer's demand.

Result 25 - 37 of 37
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  • Internal Hex Head Screw
    Internal Hex Head Screw
    CM006-150412-1

    Process: Using multi blow header to make the head and then threading before passivation. Trivalent chromium zinc plating after heat treating. Coating being the last step All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Hex depth, Hex plug gauge, Minor diameter, Thread angle, Pitch, Coat inspection, Nylok inspection Coating Reports Offered Nylok Reports Offered


  • Button Head Internal Hex Rec
    Button Head Internal Hex Rec
    CM006-150412-2

    Process: Using multi blow header to make the head and then threading before passivation, then assembling the screw and washer. At last surface coating All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Hex depth, Hex plug gauge, Washer diameter, Washer height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO /NO GO Nylok Inspection Nylok Coating Reports Offered


  • Internal Hex Head Screw
    Internal Hex Head Screw
    CM006-150412-3

    Process: Using multi blow header to make the head and then threading before passivation. At last thread nylok coating All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Hex depth, Hex, Pin point diameter, Hex plug gauge, Grip gaging body diameter, Pointed thread length, Outside diameter of pointed thread, Minor diameter, Thread angle, Pitch Nylok Inspection Nylok Coating Reports Offered


  • Stainless Button Head Screw
    Stainless Button Head Screw
    CM006-150717-1

    Process: Using multi blow header to make the head and then threading before passivation, then surface coating All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Hex rec depth, Hex plug gauge, Length, Major diameter, Minor diameter, Thread angle, Pitch , Coat inspection, Ring gage GO/ NO GO


  • Pan Head Phillips Machine Thread Screw
    Pan Head Phillips Machine Thread Screw
    CM006-151104-1

    Process: Using multi blow header to make the head and then threading before passivation. Plating being the last step All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Phillips depth, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO /NO GO, Plating inspection Plating Reports Offered


  • Flat Machine Thread Drilling Screw
    Flat Machine Thread Drilling Screw
    CM008-150812-1

    Process: Using multi blow header to make the head and then threading before passivation. Plating and acid washing after heat treating. The last step being beeswaxing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Square depth, Square plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Drilling tail diameter, Drilling tail length, Plating inspection Plating Reports Offered


  • Flat Head #1 Square
    Flat Head #1 Square
    CM008-151131-1

    Process: Using multi blow header to make the head and then threading before passivation. Acid washing after heat treating. At last plating and beeswaxing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Square depth, Square plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Drilling tail diameter, Drilling tail length, Plating inspection Plating Reports Offered


  • Pan Head Phillips Slot
    Pan Head Phillips Slot
    CP007-110719-1

    Process: Using multi blow header to make the head and then threading before passivation. Nickel plating at last All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Phillips depth, Slot depth, Slot width, Phillips plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Paint surface inspection


  • Chamfered Hex Washer Head Machine Thread
    Chamfered Hex Washer Head Machine Thread
    HB003-150925-1

    Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Across the flat and corner of the hex, Washer diameter, Washer height, Head height, Thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/ NO GO


  • Custom Fillister Head
    Custom Fillister Head
    HB003-151110-1

    Process: Using multi blow header for head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, 6-lobe drive depth, Plug gauge GO, Grip gaging body diameter, Grip gaging length, Machine thread length, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/ NO GO


  • Internal Hex Head Screw
    Internal Hex Head Screw
    HT002-121119-1

    Process: Head formation before threading, and then acid washing All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Across the flat and corner of the hex, Hex Rec depth, Hex plug gauge, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage, Grip gaging length, Total length, Grip gaging body diameter, Thread length


  • Double End Screw
    Double End Screw
    OA009-150919-1

    Process: Threading after screw cutting, and acid washing being the last step All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Ring gage, Micrometer, 2.5D and 2D projector Measurement Points: Machine thread diameter, Machine thread length, Wood thread diameter, Wood thread length, Total length, Length of the unrolled middle part, Pitch, Angle of the pointed tail, Thread angle, Ring gage


  • Thumb Screw
    Thumb Screw
    OE005-120118-1

    Process: Threading after head formation, and acid washing being the last step All the items are inspected during the process and before shipping, complying with ISO Working Instruction Inspection Tools: Calipers, Protrusion-height gage, Micrometer, 2.5D and 2D projector Measurement Points: Head diameter, Head height, Outside diameter and height of flat head under head, Total length, Grip gaging body diameter, Length of rolling, Major diameter, Thread angle, Pitch, Ring gage



Result 25 - 37 of 37
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