razr hexagon type 17 self drilling roofing screws for timber 10g x 20mm pack of 100

Self drilling roofing and cladding fasteners with a 5/16" drive hex head and neoprene sealing washer.

Provides a rapid fix self sealing fastener solution for fixing profiled roofing and cladding sheets and trims to timber. High grade Class 4 galvanised for external corrosion protection and for use in treated timbers.   

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.