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 Zinc & Yellow M2.5 3 0.109 0.230 0.02 0 Add to Quote
View Spring Steel - Hard Plain M2.5 3 0.109 0.312 0.032 16700 Add to Quote
View Spring Steel - Hard Plain M2.5 3 0.110 0.197 0.031 2901 Add to Quote
View Spring Steel - Hard Zinc & Clear M2.5 3 0.110 0.230 0.02 9240 Add to Quote
View Spring Steel - Hard Plain M2.5 3 0.112 0.344 0.063 12800 Add to Quote
View Spring Steel - Hard Zinc & Clear M2.5 3 0.115 0.209 0.032 20201 Add to Quote
View Spring Steel - Hard Plain M2.5 4 0.118 0.312 0.046 6401 Add to Quote
View Spring Steel - Hard Plain 4 0.119 0.250 0.01 8001 Add to Quote
View Spring Steel - Hard Plain 4 0.120 0.209 0.032 0 Add to Quote
View Spring Steel - Hard Zinc & Yellow 4 0.120 0.230 0.03 2900 Add to Quote
View Spring Steel - Hard Plain 4 0.120 0.312 0.03 7440 Add to Quote
View Spring Steel - Hard Zinc & Clear 4 0.120 0.312 0.03 10450 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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