- PurposeFor window profile
Self-tapping screws prednazanchen for fastening of accessories to a window profile. At rather easy screwing, the self-tapping screw maintains rather high loadings.
Material: C1018 steel
Covering: white / yellow zinc 3 of micron
The minimum destroying moment: 1,5 Nanometers
Core hardness: 425HV
Surface hardness: min. 560 HV