DeWALT DCD85MM2T

The Milwaukee 4 pc x 6 in. Speed Feed Wood Bit Set lets you drill up to 10X faster than Flat Boring Bits. These self feeding wood bits feature double wing spurs for drilling fast holes in clean wood. more→The feed screw and dual cutting edges permit fast cutting of clean holes that are ideal for feeding wire or bolts, with a versatile 1/4 in. power groove shank that is compatible with all 1/4 in. extensions.

Diablo's revolutionary, complete range of SDS-Plus Rebar Demon 4-cutter full-carbide head hammer bits is the first full line of bits designed to be the strongest, most durable and fastest solutions on more→the market. Diablo's ultra-hardened, full-carbide head bits withstand the stress of high powered hammer drills and the impact of rebar cutting, delivering extreme durability and strength. Produced with Tri-Metal Diffusion Bonding technology, the full-carbide head resists heat and prevents breakage for maximum life and productivity. Precision Tip delivers the stability and accuracy required to produce fast, precise holes in concrete with rebar for ANSI approved anchor setting. Diablo hammer bits …

A screwdriver bit is a tool for driving screws and one that can be fitted to most drilling power tools. All screws have a head with a contour such that an appropriate screwdriver tip can be engaged in more→it in such a way that the application of sufficient torque to the screwdriver will cause the screw to rotate.