Inside thread diameter
1.6mm (M1.6) / 2mm(M2) / 2.5mm(M2.5) / 3mm(M3) / 4mm(M4)
5mm(M5) / 6mm(M6)/ 8mm(M8)
Outside thread diameter
2.5mm (M1.6) / M2(3.5mm) / M2.5(3.5mm) / M3(4.2/5.3mm) / M4(5.2/6.3mm)
M5(6.3/7.2/8.3mm) / M6(8.3/10mm) / M8(10/12mm)
Inside thread pitch
0.35mm(M1.6 )/ 0.4mm(M2) / 0.45mm(M2.5)/ 0.5mm(M3) /0.7mm(M4)
0.8mm(M5) / 1.0mm(M6)/ 1.25mm(M8)
Material : Copper
High toughness, strong and durable, not easy to break or deform.
Fresh thread, precise structure.
Smooth and burr-free, easy to use.
Multiple size options.