M2 M2.5 M3 M4-M12 Cap Head Socket Screws Black Allen Key Bolts 12.9 High Tensile
Finish: Blackened. M12 – Thread Pitch 1.75mm. M4 – Thread Pitch 0.7mm. M2 – Thread Pitch 0.4mm. M2.5 – Thread Pitch 0.45mm. M3 – Thread Pitch 0.5mm. Model: Grade 12.9 Cap Head Socket Screws. M5 – Thread Pitch 0.8mm.