Flat Washers, Thru-Hardened High Strength, USS

The "Wide Series" USS Through Hardened has a larger outside diameter that delivers increased bearing surface resulting in the best load distribution.

Specification Requirements:

● Dimensions:ASTM B18.21.1, Type A, USS.

● Material and Mechanical:Per ASTM F436; 38-45 HRC

● Available finishes: 

    – Zinc plated clear (ZC).

    – Zinc plated yellow (YZ).

    – Hot Dip Galvanized (HDG).

    – Mechanically deposited.

    – Customized.