Hardened Washers

We also offer case-hardened washers, commonly available with a surface hardness of 15N 89
For applications that do not require specialized heat-treatment, we also maintain an extensive inventory of standard USS and SAE flat washers in a variety of materials available for immediate shipment.

Shop By
Material Finish Bolt Size (Metric) Bolt Size (Standard) Inside Diameter Outside Diameter Thickness Quantity in Stock Request a Quote
View Spring Steel - Hard Plain 7/16 0.484 1.187 0.04 22880 Add to Quote
View Spring Steel - Hard Plain 7/16 0.484 1.187 0.119 0 Add to Quote
View Spring Steel - Hard Plain 7/16 0.484 1.375 0.1 4341 Add to Quote
View Spring Steel - Hard Zinc & Black 7/16 0.484 1.375 0.1 4001 Add to Quote
View Spring Steel - Hard Plain 7/16 0.484 0.718 0.062 830 Add to Quote
View Spring Steel - Hard Black Oxide 7/16 0.484 0.875 0.125 8142 Add to Quote
View Spring Steel - Hard Zinc & Black 7/16 0.484 1.781 0.172 140 Add to Quote
View Spring Steel - Hard Plain 7/16 0.484 2.437 0.134 33 Add to Quote
View Spring Steel - Hard Phosphate & Oil 7/16 0.484 2.437 0.134 1453 Add to Quote
View Spring Steel - Hard Phosphate & Oil M12 7/16 0.485 2.150 0.125 3160 Add to Quote
View Spring Steel - Hard Zinc & Clear M12 7/16 0.485 1.000 0.134 1120 Add to Quote
View Spring Steel - Hard Zinc & Yellow M12 7/16 0.485 1.437 0.234 42 Add to Quote

Industries That Use Hardened Washers

Hardened washers are often used in the construction industries for projects that require high-strength bolts, like bridges or other steel structures. Hardened washers are also used in:

  • Heavy equipment and machinery – for parts that are subjected to heavy loads or vibrations
  • Automotive – for components like suspension systems or engine assemblies
  • Industrial – to ensure precise assembly and load distribution

Request a Quote for Hardened Washers

Willie Washer is your trusted source for the hardened washers you require. Search our catalog, call us or fill out our contact form to request a quote or receive assistance with finding a hardened washer that meets your exact specifications. 

The Best Provider of Special Washers
& Stampings in the Fastener Industry

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