Socket Set Screw, Cone Point, 1/4-20 x 1/2", Alloy Steel, Black Oxide, Hex Socket (Quantity: 5000)

Designed for Permanent Setting on soft or hardened shafts,Deep penetration gives this style of screw the highest torsional and axial holding power,Can be used as a hangar or pivot. For shafts of Rockwell hardness C15 or more, spot point half its depth,Recommended Hex Socket (Allen Wrench) Size: 1/8 (Inch),Black Oxide is not a protective finish and will rust if exposed to moisture. Stainless Steel material is recommended for environments with moisture