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 M3 4 0.128 0.375 0.005 16500 Add to Quote
View Spring Steel - Hard Plain M3 4 0.129 0.230 0.019 25900 Add to Quote
View Low Carbon Steel - Case Hard Plain M3 4 0.129 0.312 0.035 0 Add to Quote
View Spring Steel - Hard Zinc & Clear M3 4 0.129 0.372 0.035 3950 Add to Quote
View Spring Steel - Hard Plain M3 4 0.130 0.197 0.031 59002 Add to Quote
View Spring Steel - Hard Zinc & Clear M3 4 0.130 0.203 0.031 15900 Add to Quote
View Spring Steel - Hard Zinc & Yellow M3 4 0.130 0.230 0.02 0 Add to Quote
View Spring Steel - Hard Plain M3 4 0.130 0.234 0.005 30901 Add to Quote
View Spring Steel - Hard Plain M3 4 0.130 0.265 0.005 20001 Add to Quote
View Spring Steel - Hard Plain M3 4 0.130 0.265 0.01 58001 Add to Quote
View Spring Steel - Hard Plain M3 4 0.130 0.265 0.019 10100 Add to Quote
View Spring Steel - Hard Zinc & Clear M3 4 0.130 0.265 0.019 30700 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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