Metal Construction Timber to Heavy Section Screws - Countersunk - Wing-Tip - Self-Drilling - Zinc Frequently used with self-drilling screws

Frequently used with self-drilling screws in roofing applications

Used when constructing drywall track and ceiling track systems to stitch the track together (Max

Used to secure plasterboard to timber stud work

Mainly used in soft timber applications or masonry with a plastic plug

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

Metal Construction Timber to Heavy Section Screws - Countersunk - Wing-Tip - Self-Drilling - Zinc Frequently used with self-drilling screwsSpecifically designed to attach wood to heavy section steel (Max. 12mm). Metric 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.