5/10/50 M1.6 M2 M2.5 M3 M4 M5 M6 M8 304 Stainless Steel Black grade 10.9 ISO7380 Hexagon Hex Socket Head Button Allen Bolt Screw

There are 5/10/50pcs hex socket button head bolt Item Description: Material: 304 stainle steel / 10.9 grade steel Size: d (thread diameter) x L (thread length) Metric thread diameter: M1.6 (1.6mm) / M2(2mm) / M2.5(2.5mm) / M3(3mm) /M4(4mm) / M5(5mm) / M6(6mm) / M8 (8mm) Metric thread pitch: 0.35 (M1.6) / 0.4mm(M2) / 0.45(M2.5) / 0.5mm(M3) / 0.7mm(M4) / 0.8mm(M5) / 1mm(M6) 1.25mm (M8) Thread length: 3mm-50mm