Thru-Hardened Steel

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S.A.E. Extra Thick - Zinc Yellow - USA
Heavy Duty Thru-Hard Washers SAE - Zinc Yellow
S.A.E. For Gr-5 & Gr-8 Applications
Thru-Hardened Flat Washers SAE - Zinc yellow
S.A.E. For Gr-9 Applications
SAE Thru-Hard Flat Washers For Gr-9 Applications