Ryobi LCDI18022 (5133001932)

DoubleLok Technology ensures both ends of the bit lock securely in impact drivers and quick-change chucks, enabling the use of two tips from one bit for added convenience and extended life. Precision more→tip geometry delivers superior fitment, reducing stripping and cam-out.

Diablo's High-Speed Steel Forstner Bits drill straight, angled and overlapping holes in all types of wood. The bit features a double-ground serrated edge for less splintering and chipping.

The Milwaukee Red Helix Cobalt 5/16 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix t more→hat includes an aggressive 35 degree Helix Angle which ends at 15 degree. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits.