razr polycarbonate sheeting screws with seal type 17 point 12g x 50mm pack of 100

Professional grade self drilling roofing and cladding screws with a 5/16" drive hex head and a self sealing large domed neoprene washer giving a watertight seal when fixing profiled and corrugated polycarbonate and fibreglass sheeting to timber. High grade Class 4 galvanised for external corrosion protection and for use in treated timbers. Supplied unassembled.

Razr hexagon screws all have the following features :

• manufactured and compliant with Australian Standard AS 3566.
• type 17 razor slash point for fast insertion and self centred start.
• parallel thread providing a constant and even clamping load.
• designed for use with powerdrivers due to heavy duty high strength shanks.
• thread cutting profile with a coarse tapping thread for rapid installation.
• fluted to clear drilling debris and minimise timber splitting.
• suitable for self drilling through thin steel sheeting for roofing and cladding applications.