50Pcs 12.9 Alloy Hex Key Socket Head Cap Screws Bolts UNC 6#-32x1-1/4" Product Name : Screws;Material : 12.9 Grade Alloy Steel Screw Standard : UNC 6#-32x1-1/4";Thread Size : UNC 6#-32 Thread Length : 31.75mm / 1/4";Hex Key Socket Size : 5/64&ldquo; Color : Black;Weight : 159g Package Content : 502% x Screws