Sen Chang - A professional manufacture all types of stainless steel industrial fasteners.

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Sen Chang SEMS Screw Service Introduction

Sen Chang Industrial Co., Ltd. is Taiwan SEMS Screw 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 SEMS Screw production service. With both advanced technology and 48 years experience, Sen Chang always make sure to meet each customer's demand.

Result 1 - 9 of 9
  • SEMS Screws
    SEMS Screws

    SEMS is a combination of a screw and at least one moveable washer. Washers are often used to improve screws' strengths and endurances. SEMS screws could be machine screws or tapping screws.


  • Chamfered Hex Washer Head
    Chamfered Hex Washer Head
    SA009-150505-1

    Process: Screw head shaping, thread rolling and washer molding before acid washing and assembly 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 Screw Measurement Points: Across the flat and corner, Washer diameter, Washer height, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch, Drilling tapping diameter, Drilling tapping length EPDM Measurement Points: Outside diameter, Height, Rec diameter


  • Custom Chamfered Hex Washer Head
    Custom Chamfered Hex Washer Head
    SE003-150813-1

    Process: Screw head shaping, thread rolling and washer molding before acid washing and assembly 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 Screw Measurement Points: Across the flat and corner, Washer diameter, Washer height, Length, Major diameter, Minor diameter, Thread angle, Pitch, Length of the pointed tail EPDM Measurement Points: Outside diameter, Height, Rec diameter


  • Pan Head Plus Washer
    Pan Head Plus Washer
    SF002-150305-1

    Process: Screw head shaping, thread rolling and washer molding before heat treating 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, 3 Wire gage, Inspection gage Measurement Points: Head diameter, Head height, Rec penetration gaging depth, Length, Value C and D, Thread angle, Pitch Flat Washer Measurement Points: Outside diameter, Height, Rec diameter


  • Pan Head
    Pan Head
    SF008-150522-1

    Process: Screw head shaping, thread rolling and washer molding before 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, Recess Penetration Gage, Ring gage Screw Measurement Points: Head diameter, Head height, Rec penetration depth, Major diameter, Thread angle, Pitch Washer Measurement Points: Outside diameter, Height, Rec diameter


  • Directly Cut Chamfered Hex Washer Head
    Directly Cut Chamfered Hex Washer Head
    SG005-140902-1

    Process: Screw head shaping, thread rolling and washer molding before heat treating 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, Recess Penetration Gage, M5 Ring gage Screw Measurement Points: Across the flat and corner, Washer diameter, Washer height, Thread cutting width, Thread cutting depth, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch, Drilling tapping length, Drilling tapping diameter EPDM Measurement Points: Outside diameter, Height, Rec depth


  • Chamfered Hex Head
    Chamfered Hex Head
    SM006-121122-1

    Process: Screw head shaping, thread rolling and washer molding before 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, Recess Penetration Gage, M5 Ring gage Measurement Points: Across the flat, Across the corner, Head height, Length, Major diameter, Thread angle, Pitch A2 Washer Measurement Points: Outside diameter, Height, Rec diameter


  • Chamfered Hex Screw
    Chamfered Hex Screw
    SM006-150610-1

    Process: Screw head shaping, thread rolling and washer molding before 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, Recess Penetration Gage Screw Measurement Points: Across the flat and corner, Head height, Rec penetration, Length, Major diameter, Thread angle, Pitch, Minor diamete A2 Washer Measurement Points: Outside diameter, Height, Rec diameter


  • Chamfered Hex Washer Screw
    Chamfered Hex Washer Screw
    SP002-150611-1

    Process: Screw head shaping, thread rolling and washer molding before acid washing and assembly 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 Screw Measurement Points: Across the flat and corner, Head height, Length, Major diameter, Thread angle, Pitch, Minor diameter, Angle of the pointed tail A2 Washer Measurement Points: Outside diameter, Height, Rec diameter



Result 1 - 9 of 9