M1.6M2M3M4M5M6~M12 Socket Button Head Screws 12.9 High Tensile Black Allen Bolts

Thread Pitch:M1.6(0.35mm) /M2(0.4mm) / M2.5(0.45mm) / M3(0.5mm) / M4(0.7mm) / M5(0.8mm) / M6(1mm) / M8(1.25mm) / M10(1.5mm)/ M12 (1.75mm). Material: High Tensile 12.9 Grade Steel. Thread Length: 3mm - 100mm（Excluding head thickness）.

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