5/16 x 4 Hex Lag Screw Zinc Plated
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5/16 x 4 Hex Lag Screw Zinc Plated . Hex Lag Screws are manufactured from low carbon steel to meet SAE J429 Grade 1. Lag screws longer than 12 inches will have a minimum thread length of 50% of the screw length up to a maximum of 8 inches. Zinc plated material will meet or exceed ASTM F1941. Hot-Dip Galvanized material will meet or exceed ASTM A153. Typical hardness is HRB 70-100. Tensile strength (not pull out) will meet a minimum of 60,000 psi.
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All of our item images are accurate representative images of the product category, however, due to the limitless variations in thread patterns, finishes, and other variables that exist with fasteners, bits and cutting tools, they are representative images only.