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Heavy Hex Nuts are typically used for large diameter and high strength bolts and have a greater resistance to expansion or stretching for long lasting reliability. Fasteners are designed to be driven by wrench or pneumatic tools for ease of installation.

Heavy Hex Nut - 5/16-18 - Steel - Zinc CR+3 - UNC - Grade A - ASTM A563 - Pkg of 100 - BBI 320075

320075-heavy-hex-nut-5-16-18-steel-zinc-unc-grade-a-astm-a563-pkg-of-100

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