Photo 1 of 5/16-18 x 4-1/2" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Partial Thread, 6 PCS

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Photo 1 of 5/16-18 x 4-1/2" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Partial Thread, 6 PCSPhoto 2 of 5/16-18 x 4-1/2" Socket Head Cap Screws Bolts, 12.9 Grade Alloy Steel, Black Oxide Finish, Allen Hex Drive, Partial Thread, 6 PCS