Our range of Zap® self drilling screws is available in a variety of corrosion resistant coatings that conform to SANS1273 specifications. The head markings on the heads of the Zap ® screws indicate the corrosion class of the coating.
Zap® Z2 self drilling screws conform to SANS1273 Class 2 specifications. The screws are zinc electroplated with a minimum plating thickness of 12 micron. These screws are suitable for use with Z200 and Z270 galvanized sheeting in mild environments (ISO9223 Class 2 environments)
