Detail M3 x 4mm Carbon Steel Allen Bolt Socket Head Cap Machine Screws Black
M3 x 4mm Hex Bolt Socket Head Cap Machine Screws Black Product Name : Socket Head Cap Screws; Material : 12.9 Grade Alloy Steel;Color : Black Screw Standard : M3 x 4mm;Thread Dia. : 3mm Thread Pitch : 0.5mm;Thread Length : 4mm Head Diameter : 5.5mm;Head Height : 3mm Package Content : 100(+/-2%) xSocket Head Cap Screws Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.