Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Exterior - Silver Organic The collated strips are specifically

The collated strips are specifically designed to be compatible with all leading power tool brands

All the features and superior performance of the Classic Multi-Purpose Screw manufactured from marine grade A4 Stainless Steel

Designed for attaching dense board to timber stud work

Specifically designed to attach wood to heavy section steel (Max

0mm) without the need to pre-drill a hole

Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Exterior - Silver Organic The collated strips are specificallySpecifically designed to attach wood to light section steel (Max. 3mm). 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.