Black&Decker BDK700K

Milwaukee Shockwave Impact Duty driver bits are engineered to be the most durable, best fitting driver bits on the market. The optimized Shockzone geometry is unique for each tip type to provide up to more→50x longer life and absorbs 50x more torque vs. other impact bits. The Precise Fit Custom Machined Tip prevents stripping and reduces wobble while the Custom Alloy76 Steel and proprietary heat treat process maximizes resistance to wear and shock. Shockwave driver bits are built to deliver extreme durability for the most demanding applications.

"The Milwaukee Red Helix Cobalt 1/2"" 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 tha more→t includes an aggressive 35 degrees Helix Angle which ends at 15 degrees. The 135 degrees 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."

DeWalt No. 2 Phillips, double end screwdriver bit, shock resistant steel for maximum durability, hardened core for extra strength and reduced breakage, heat treated to resist breakage and wear and Spe more→cially designed to reduce stripping.