Washers

Flat washers, spring lock washers, tooth-lock washers, square and tapered washers — stamped and punched in our own press shop from carbon steel, stainless steel A2/A4 and brass, in sizes M1.6 to M56.

Request a Quote Jump to Specifications
Product Range

Types of Washers We Manufacture

Washers are supplied as loose parts or as bolt / nut / washer kits in one carton, ready for your project pack.

01

Flat Washers

Standards: DIN 125, DIN 9021, ISO 7089, ISO 7093, ANSI B18.22.1, GB/T 97.1

Sizes: M1.6–M56, thin and thick series, large OD for soft materials

02

Spring Lock Washers

Standards: DIN 127, DIN 128, ASME B18.21.1, JIS B1251

Sizes: M3–M36, standard and heavy series, for vibration resistance

03

Tooth-Lock Washers

Standards: DIN 6797, DIN 6798, IFI 524

Sizes: M2–M20, internal tooth, external tooth and internal / external combined

04

Square & Rectangular Washers

Standards: DIN 434, DIN 435, DIN 436, custom drawings

Sizes: M8–M36 square taper and beam washers for structural bolting

05

Sealing & Bonded Washers

Types: EPDM / NBR bonded sealing washers, fibre and copper washers

Sizes: M4–M16 for roofing screws, oil seals and hydraulic fittings

06

Custom Stampings

Types: Punched and formed flat parts, brackets and shims

Sizes: Up to 300 mm blank diameter, thickness 0.5–8 mm

Specification Table

Common Flat Washer Sizes (DIN 125)

Reference data for quotation. Thousands of pieces per carton available on request.

Nominal SizeInner Diameter (mm)Outer Diameter (mm)Thickness (mm)Approx. kg / 1000 pcs
M66.4121.6~1.2
M88.4161.6~2.2
M1010.5202.0~4.2
M1213.0242.5~7.5
M1617.0303.0~14.0
M2021.0373.0~22.0
M2425.0444.0~40.0
M3031.0564.0~65.0

DIN 9021 large-series washers are also produced in the same nominal sizes with a larger outside diameter.

Materials

Material Options

  • Low carbon steel — standard for flat, spring and tooth-lock washers
  • Spring steel — hardened and tempered for DIN 127 lock washers
  • Stainless steel A2 (304) — corrosion resistant, outdoor and food grade
  • Stainless steel A4 (316) — marine and chemical environments
  • Brass H62 / H65 — electrical and decorative applications
  • Aluminium, copper and nylon — on request for special applications
Surface Finish

Finish Options

  • Clear / blue-white zinc plating, Cr3+ RoHS compliant
  • Yellow zinc for improved corrosion life
  • Hot-dip galvanised to ISO 1461 for construction
  • Black oxide, phosphated or plain oiled
  • Dacromet for automotive and wind energy
  • Passivated finish for stainless steel parts
Quality Assurance

Inspected Before Shipping

  • Dimensional check on inner / outer diameter and thickness
  • Hardness test on spring washers to verify elasticity
  • Spring washer compression and recovery test
  • Coating thickness measurement on plated parts
  • Burr and flatness inspection
  • Visual and packaging inspection to AQL 2.5
Ordering Information

What We Need to Quote

  • Washer type and standard (e.g. DIN 125 flat washer)
  • Nominal size and, if non-standard, OD and thickness
  • Material and surface finish
  • Quantity in pieces or kilograms
  • Packing — bulk carton, small box or blister pack
  • Whether washer will be kitted with bolts and nuts
Send Your Requirement
Real Photos From Our Factory

Recent Production Photos

Actual photographs of parts we have made for customers. See the full 107-photo gallery for more.

Get a Washer Quote Within 24 Hours

Send your size list — we reply with unit price, carton weight and production lead time.