Black Carbon Steel Round Pan Head Screws Bolts M1 M1.2 M1.4 M1.6 M1.7 M2 M2.5-M6 por | jul 31, 2026M1 – Thread Pitch 0.25mm. M1.2 – Thread Pitch 0.25mm. M1.4 – Thread Pitch 0.3mm. M1.6 – Thread Pitch 0.35mm. M1.7 – Thread Pitch 0.35mm. M2 – Thread Pitch 0.4mm. M2.5 – Thread Pitch 0.45mm. M6 – Thread Pitch 1mm.