Hex Head Steel Fix – #12X20MM ZAP S/D SCREW HEX CLASS 2 (Box of 1000)

R400.06

#12(5.5mm) X20mm Zap self drilling screw; Hex; #3 point; Class 2 electroplated

Box of 1000

Class 2

Screws are made from heat treated carbon steel, the screws are heat treated to give added strength. They are then electro plated with a clear or yellow zinc for better corrosion protection. This coating is not normally thick on cheaper methods of coating

5 -8 microns for Class 1 ( Z head marking )

12-14microns for Class 2 ( Z2 head marking)

The zinc coating is vulnerable in marine and industrial environments

wafer head concealed steel fix class 2
Hex Head Steel Fix – #12X20MM ZAP S/D SCREW HEX CLASS 2 (Box of 1000)