Socket Head Cap Screw, 3/8-16 x 3, Alloy Steel, Black Oxide, Hex Socket (Quantity: 50) Coarse Thread, 3/8 inch Hexagonal Allen Bolt, Length: 3 inch, Partial Thread

Thread: Coarse / Partial Thread / Alloy Steel / Black Oxide, Recommended Hex Socket Allen Key Wrench: 5/16, Black Oxide is not a protective finish and will rust if exposed to moisture. Stainless Steel material is recommended for environments with moisture