Thread: Fine / Thread / Alloy Steel / Black Oxide Recommended Hex Socket Allen Key Wrench: 3/32 (Inch) Thread Diameter-Pitch: 10-32, Length: 1/4 inch Recommended Hex Socket (Allen Wrench) Size: 3/32 (Inch) Black Oxide is not a protective finish and will rust if exposed to moisture. Stainless Steel material is recommended for environments with moisture Dog Point set screws are considered headless screws that that are threaded the entire length. They have an internal hexagonal drive at one end and a full or half-dog point at the other. One of the main advantages dog point set screws have over cup point set screws is they won't cut into the shaft and damage it or the component.