M3 x 6mm Alloy Steel Hex Bolt Socket Head Cap Screws Black 100 Pcs Product Name : Socket Head Cap Screws;Material : 12.9 Grade Alloy Steel;Color : Black Screw Standard : M3 x 6mm;Thread Dia. : 3mm;Thread Pitch : 0.5mm Thread Length : 6mm;Head Diameter : 5.5mm Head Height : 3mm;Hex Key Size : 5.6mm Weight : 70g;Package Content : 50(+/-2%) x Socket Head Cap Screws