TIMCO Self-Drilling Wing-Tip Steel to Timber Heavy Section A2 Stainless Steel Bi-Metal Screws - 5.5 x 55 Box OF 200 - BMHW55 Torches & Worklights The DEWALT Extreme Impact Torsion

TIMCO Self Drilling Wing Tip Steel to Timber Heavy Section A2 Stainless Steel Bi Metal Screws 5.5 x 55 Box OF 200 BMHW55 Torches & Worklights The DEWALT Extreme Impact Torsion The DEWALT Extreme Impact Torsion Pozi Bits have a 15° torsion zone that allows the screwdriver bit to flex rather than break and the full fit head prevents rounding of the screw head preventing 'cam out' (bit head slipping out of the screw head due to the turning force) Soft & Flex Technology provides superb resistance to kinking Box of 200 Size 5 When the wings hit the metal they will break off to permit the thread to self tap into the metal