3Q - Premier Fastener Sourcing and Distribtuion

Hardened Flat Washers

Product Highlights:

  • 1050 annealed HPRO pickled and oiled steel
  • Hardened and drawn to Rc 38/45
  • Zinc-plated to 0.0002” minimum thickness with yellow chromate finish for corrosion protection
  • Thru-Hardened – to resist dishing, bellying, and cracking
  • ASTM F436
  • USS and SAE dimensions

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Product Applications:

For use with High Strength Harden Bolt Applications

  • Heavy Trucks
  • Agricultural Equipment
  • Heavy Machinery
  • Trailers

Most orders, for in-stock items, placed before 2pm ship the same day.

= Sizes in Stock

1/4" 5/16" 3/8" 7/16" 1/2" 9/16" 5/8" 3/4" 7/8" 1" 1 1/8" 1 1/4"
USS
SAE

Low Minimum Order: $25.00. Specialty Packaging and Labeling available upon request.