șuruburi autofiletante
Self-tapping screw for fastening, connecting sheet metal and metal profiles up to 2 mm Head: hemispherical with press washer, Philips No2 slot, M = 4.5-5.1
Tip:Drill bit
Coating:white zinc
Minimum breaking torque:4.5 Nm
Core hardness:240-425 HV
Surface layer hardness:560 MIN HV