Festool DWC 18-4500 Li-Basic 564608

While most screw driving bits are simply compatible with impact drills and drivers, Irwin Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact more→drivers. These bits are forged rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself - Irwin's Impact Performance Series bits have three times longer life than traditional bits.

FLEXTORQ bits are engineered for durability. Every FLEXTORQ bit features a FLEXTORQ Zone designed to absorb impact for longer life. Save time and find the right bit with new highly-visible laser-etche more→d size. Each FLEXTORQ bit is IMPACT READY with a 1/4 inch hex shank for use in impact drivers and drills.

FlexTorq bits are engineered for durability. This latest generation from DeWalt redefines fitment and performance with overhauled tip geometries. The redesigned tip geometries for use with T25 size fa more→steners deliver a 4x superior fit. Every FlexTorq bit features a FlexTorq zone designed to absorb impact for longer life. Save time and find the right bit with the new highly-visible laser-etched size. Each FlexTorq bit is impacting ready with a 1/4 in. hex shank for use in impact drivers and drills.