Now Stocking USA Made Grade 8 Hex Bolts, Nuts, and Washers! (Click for Details)
A Class 10.9 Hex Cap Screw is a hex head cap screw made from medium carbon alloy steel and heat treated. It has greater tensile strength than Class 8.8 cap screws and is most comparable but not exactly equivalent to U.S. Grade 8 cap screws.
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