M3 x 70mm Alloy Steel Hex Bolt Socket Head Cap Screws Black 50 Pcs Product Name : Socket Head Cap Screws;Material : 12.9 Grade Alloy Steel;Color : Black Screw Standard : M3 x 70mm;Thread Dia. : 3mm Thread Pitch : 0.5mm;Thread Length : 70mm / 2.8" Head Diameter : 5.5mm;Head Height : 3mm Weight : 68g;Package Content : 50(+/-2%) x Socket Head Cap Screws