HWF SDS
HWF SDS Screws or ‘Tech Screws’ are used as a general purpose fastener for fixings to steel sections, mild steel, metal components and brackets. Imperial hex head with washer, coarse thread with self-drilling and tapping tip. No predrilling required. Zinc finish suited for indoor applications. SS finish suited for external applications. For use with OZ78NS Nut Setters. Corresponding Colorbond colours also available upon request.