A 1/2"-20 x 2‑1/2" alloy steel set screw with a cup point and Allen (hex socket) drive. Made from heat‑treated alloy steel with a black oxide finish for mild corrosion resistance. Features fine‑thread, right‑hand threading and meets ASME B18.3 dimensional and ASTM F912 material standards. Uses a 1/4" hex key.
