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IATF 16949 certified manufacturer of automotive washers & precision stamping parts

Flat Washers

Flat Washers

Carbon Steel Washer

DIN 125 / ISO 7089 / GB 97.1 / ANSI flat washers

Carbon steel flat washers spread the clamping load of bolts and nuts and protect the joint surface. Stamped from low- or medium-carbon steel with plain, zinc plated, black oxide or zinc flake finishes; hardened versions are available on request.

  • Economical, high-strength general-purpose washer
  • Hardened versions on in-house heat-treatment line
  • Zinc, zinc flake or black oxide corrosion protection
  • Standard and custom sizes, burr-free edges
Material
Low-carbon steel (SPCC, Q235), medium-carbon steel (45#)
Standard
DIN 125, DIN 9021, ISO 7089 / 7093, GB 97.1, ANSI B18.22.1, JIS, or custom drawing
Sizes
Metric and inch sizes; custom OD, ID and thickness
  • IATF 16949
  • Custom to drawing
  • Factory direct

Carbon steel flat washers spread the clamping load of bolts and nuts and protect the joint surface. Stamped from low- or medium-carbon steel with plain, zinc plated, black oxide or zinc flake finishes; hardened versions are available on request.

Why Choose Changbiao

As a factory-direct manufacturer with 20+ years of experience, we control the whole process — die design, stamping, heat treatment, surface finishing partners, inspection and packing — under an IATF 16949:2016 system. Custom sizes, materials and finishes are welcome; send us your drawing or sample for a quotation within 24 hours.

MaterialLow-carbon steel (SPCC, Q235), medium-carbon steel (45#)
StandardDIN 125, DIN 9021, ISO 7089 / 7093, GB 97.1, ANSI B18.22.1, JIS, or custom drawing
SizesMetric and inch sizes; custom OD, ID and thickness
Thickness0.1 – 10 mm
Surface FinishPlain, zinc plated, zinc-nickel, zinc flake, black oxide, phosphate
InspectionOptical / roll sorting, 2D vision, dimensional and flatness check
CertificationIATF 16949:2016, ISO 9001
PackingCartons on pallets, or per customer requirement

* Custom specifications available on request. Please send your drawing for an exact quotation.

Typical applications: Automotive, machinery, steel structures, general fastening

Inquiry

Interested in Carbon Steel Washer?

Tell us the size, material, finish and quantity — or upload your drawing. Our engineers will reply within 24 hours.

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Changbiao Inquiry Form

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