Washer Searched | Global Leader in Precision Fastening Solutions | Sen Chang Industrial Co.

Durable Industrial Stainless Steel Screws - Top Quality & High-Tensile

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Washer | Global Leader in Precision Fastening Solutions | Sen Chang Industrial Co.

Located in Taiwan since 1968, Sen Chang Industrial Co., Ltd. is a leading manufacturer of stainless steel fasteners, including, Washer, wires, screws, and rivets. Specializing in high-tensile, machine, and tapping screws, we provide durable, quality-assured products compliant with ISO9001 standards, catering to global industrial demands.

With a foundation built on precision engineering and quality materials, the company caters to diverse industrial needs, ensuring durability and reliability in every product. Emphasizing innovation and strict quality control, Sen Chang is dedicated to delivering solutions that meet the highest standards of excellence, supporting industries worldwide with their fastening challenges.

Sen Chang has been supplying customs high-tensile screws, wires, and industrial fasteners, both with advanced technology and 48 years of experience, Sen Chang ensures each customer's demands are met.

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  • Stainless Steel Washer
    Stainless Steel Washer

    A washer is a thin plate normally used with screws to help prevent loosening under vibration. A pin is used to secure the position of two parts at the same time. It can be removing from parts easily. The shape of pin could be different with different function.

  • Flange Washer Head Machine Screw
    Flange Washer Head Machine Screw
    MB003-160103-1

    Process: Using multi blow headers to make the head then threading before passivation 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 Recess depth, Pin diameter, Washer diameter, Washer height, Number of serration under the head, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

  • Indented Hex Washer Head
    Indented Hex Washer Head
    ME005-130706-1

    Process: Using multi blow headers to make the head then threading before passivation 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 flat, Across corner, Head height, Washer diameter, Washer height, Slot width, Slot depth, Thread length, Diameter of Circumscribing, Circle Measurement, Across Center, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

  • Custom Chamfered Hex Washer Head
    Custom Chamfered Hex Washer Head
    BA009-120114-1

    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: Across the flat and corner, Washer diameter, Washer height, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

  • Indented Hex Head Bolt
    Indented Hex Head Bolt
    BM006-120221-1

    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: Across the flat and corner, Washer diameter, Washer height, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch, Ring gage GO/NO GO

  • Flat Head Carriage Screw w/ Machine Thread
    Flat Head Carriage Screw w/ Machine Thread
    BM006-140302-1

    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: Across the flat and corner, Washer diameter, Washer height, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch

  • Chamfered Hex Washer Head
    Chamfered Hex Washer Head
    BT002-100927-1

    Process: Acid washing after head formation and threading 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, Length, Head height, Major diameter, Minor diameter, Thread angle, Pitch

  • Pan Washer Head Screw
    Pan Washer Head Screw
    TA013-141212-1

    Process: Using multi blow headers to make the head, to thread, and then slot before passivation 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, Pozi Slot depth, Pozi plug gauge, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Beam Tail diameter, Slotted Tail length

  • Round Washer Head Tapping
    Round Washer Head Tapping
    TE007-141107-1

    Process: Using multi blow headers to make the head, to thread, and then slot before passivation 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 Slot depth, Phillips plug gauge, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Length of the pointed tail, Angle of the pointed tail

  • Chamfered Hex Washer Head Drilling Screw
    Chamfered Hex Washer Head Drilling Screw
    TV003-151127-1

    Process: Using multi blow headers to make the head, to thread, and then slot before passivation 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, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Drilling diameter, Drilling tapping length

  • Chamfered Hex Washer Head w/ Tapping Type AB
    Chamfered Hex Washer Head w/ Tapping Type AB
    TV003-151130-1

    Process: Using multi blow headers to make the head, to thread, and then slot before passivation 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, Head height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Drilling Tapping diameter, Drilling Tapping length

  • 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 Screw
    Pan Head Screw
    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

  • Indented Hex Washer Head Screw
    Indented Hex Washer Head Screw
    CA009-150428-1

    Process: Using multi blow header to make the head and then threading before passivation. 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: Across the flat and corner of the hex, Washer diameter, Washer height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Flat tail length, Flat tail diameter Nylok Inspection Nylok Coating Report Offered

  • Pan Head Phillips Coarse Pointed Screw
    Pan Head Phillips Coarse Pointed Screw
    CA009-150614-1

    Process: Using multi blow header to make the head and then threading before passivation. Zinc plating after heat treating. The last step being screw and washer 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 Measurement Points: Head diameter, Head height, Phillips rec depth, Washer diameter, Washer height, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Coat inspection Inspection Reports Offered

  • Chamfered Hex Washer Head Screw
    Chamfered Hex Washer Head Screw
    CE005-150301-1

    Process: Using multi blow header to make the head and then threading before passivation. At last surface coating after 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 Measurement Points: Across the flat and corner of the hex, Head height, Slot width, Slot depth, Number of serration, Ring gage GO/NO GO, Thread length, Major diameter, Minor diameter, Thread angle, Pitch, Chamfer length, Coat inspection Coat Report Offered

  • Chamfered Hex Washer Head Machine Thread
    Chamfered Hex Washer Head Machine Thread
    CM006-110711-1

    Process: Using multi blow header to make the head and then rolling before acid washing and heat treating. At last spray painting on the head part 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 of the hex, Head height, Thread length, Major diameter, Minor diameter, Thread angle, Pitch Nylok Inspection Report Offered

  • Indented Hex Round Washer Bolt
    Indented Hex Round Washer Bolt
    CM006-140821-1

    Process: Using multi blow header to make the head and then threading before passivation. 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, Total length, Major diameter, Minor diameter, Thread angle, Pitch, Paint surface inspection Passivation Report Offered

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