About Screw Length: Length include head
Material : Black 316 Stainless Steel
Standard : GB819
Head style : Countersunk Head
Thread diameter : M1.6 / M2 / M2.5 / M3 / M4 / M5 / M6 / M8
Thread pitch : 0.35mm(M1.6) / 0.4mm(M2) / 0.45mm(M2.5) / 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1mm(M6) / 1.25mm(M8)