100(+/-2%)PCS Countersunk Bolts & 50(+/-2%) PCS Nylon Lock NutsProduct Name: Countersunk Bolts;Type: M3x 12mm;Thread Dia: 3mm / M3;Thread Length: 12mm / 0.6inch;Head Dia: 6mm / 0.24inchFit Hex Key Size: 2mm;Head Type: Flat HeadColor: Silver ToneMaterial: 304 Stainless SteelNylon Lock Nuts: Product Name: Nylon Lock NutThread Size: M3 x 0.5mm(Dia x Pitch)Height: 4mm/ 0.16inchHex Size: 5.5mm/ 0.21inchCountersunk Bolts: Hex head, female threaded inside, stainless steel material, anti-loose hex nut.Used with a machine or cap screw for mechanically joining materials together.Used widely for matching screws or bolts.Head Socket: Hex Type;Package Contents:100(+/-2%)x Countersunk Bolts50(+/-2%) x Nylon Lock NutsOnly the above package content, other products are not included.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 +/- 1-3cm.