Brand:
Description:
The screw with flat head and washer is made of C1022 steel with electrolytic zinc coating, core hardness 240-425 HV and top-layer hardness 560 MIN HV, with a breaking force of 4.5 Nm.
It has a fine thread pitch, a self-drilling tip and a flat head specially designed to replace the washer. The screw is intended for general construction use for various metal fixings.