100 Pcs 12.9 Alloy Hex Key Socket Head Cap Screws Bolts UNC 6#-32x1/2" Product Name : Screws;Material : 12.9 Grade Alloy Steel Screw Standard : UNC 6#-32x1/2";Thread Size : UNC 6#-32 Thread Length : 1/2";Hex Key Socket Size : 5/64&ldquo;&rdquo; Color : Black;Weight : 115g Package Content : 1002% x Screws