Hex Head Cap Screw, Head Type: Hex, Dia./Thread Size: 1/4"-20, Material: 8 Carbon Steel, Material Grade: Grade 8, Finish: Yellow Zinc Plated, Thread Type: UNC (Coarse), Length under Head: 3", Thread Length: 3/4", Head Height: 5/32", Head Width: 7/16", Thread Style: Partially Threaded, Thread Direction: Right Hand, Proof Load: 120,000 psi, Tensile Strength: 150,000 psi, Rockwell Hardness: C33 to C39, Meets/Exceeds: SAE J429, ASME B18.2.1, ASTM F1941 FeZn5C, Min. Thread Length: 3/4"
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