Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Bi-Metal - Exterior - Silver Organic Multiple uses for fitting a

Multiple uses for fitting a variety of hardware to frames where there is no steel or aluminium reinforcement present

with a washered hexagon head

For use when attaching a weather bar or drip rail to PVCu window and door frames to prevent water ingress

Stainless steel must be used where there is corrosive environment and/or where the base material has inherent corrosive characteristics e

Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Bi-Metal - Exterior - Silver Organic Multiple uses for fitting aSpecifically designed to attach wood to light section steel (Max. 4mm). Coarse self tapping thread with wings designed to ream out the timber, so the screw can achieve Max. R. P. M. without burning out. When the wings hit the metal they will break off to permit the thread to self tap into the metal.