samočrne vijake
Self-tapping screw for fastening, connecting sheet metal and metal profiles up to 0.9 mm Head: hemispherical with press washer, Philips slot No2, M = 4.5 5.1
Tip:sharp
Coating:white zinc
Minimum breaking torque:4.2 Nm
Core hardness:240 450 HV
Surface layer hardness:550 MIN HV