High thread self driling screws for steel rails and purlins and self tapping for timber are now the most effective method of fixing composite panels and cladding sheets through insulation. The under head high thread offers maximum support to the outer sheet, preventing compression of the insulation material when subject to foot traffic.


Fixings composite panels to cold rolled steel and timber.

Head Style

Hex 5/16" AF.


Ensures non compression of Panel core.


Manufactured from carbon steel heat treated and zinc plated to 12 microns. Also available with Bi-Hex integral nylon head. For external and corrosive conditions use Staffix 304 series stainless high thread.


Core Products