Product Name : Countersunk Bolts;Material : 304HC Steel;Type : M3x 12mm; Thread Dia : 3mm / M3;Thread Length : 12mm / 0.6";Head Dia : 6mm / 0.24" Fit Hex Key Size : 2mm;Head Type : Flat Head Head Socket : Hex Type;Color : Silver Tone Weight : 49g;Package Content : 100(+/-2%)x Countersunk Bolts 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.