Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Exterior - Silver Organic When the wings hit the

When the wings hit the metal they will break off to permit the thread to self-tap into the metal

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

All the features and superior performance of the Classic Multi-Purpose Screw

Metal Construction Timber to Light Section Screws - Countersunk - Wing-Tip - Self-Drilling - Exterior - Silver Organic When the wings hit theSpecifically 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.