Nylon Patch Socket Set Screws Cone Point 1/4-20 x 1/2 Alloy Steel Black Oxide Hex Socket (Quantity: 100)

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)