Makita DF457DZK

The Milwaukee Shockwave Impact Duty 100Pc Driver Bit Set is engineered to be the Most Durable, Best Fitting Driver Bit Driver Bits on the market. The Wear Guard Tip delivers increased wear resistance, more→which protects the impact bit's fit over the life of the bit. The Shock Zone is optimized for each tip type and length of Driver Bit in the set to absorb peak torque and prevent breaking. The Driver Bit Driver Bits are made from Custom Alloy76 steel and a proprietary heat treatment process to extend bit life, providing up to 50X life versus other impact Driver Bit Driver Bits on the market. The Milwaukee Shockwave Impact Duty Driver Bit Driver Bits are built to provide users with extreme durability …

For rotary drilling only. Includes 5/32 pilot bit which must be used first. Ideal for drilling porcelain tiles up to a scratch hardness of 8. The drill bit will not walk, tape or center punching is no more→longer needed. Flat bottom parabolic flute ensures fast and efficient removal of drill dust and prevents clogging. Cuts nice, clean holes with very little or no chipping; operate drill motor 400-600 RPM.

Diablo's Tile and Stone Carbide Tipped Drill Bit range provides faster starts and longer life in tile, stone and glass. Optimized with a unique brazing and hardening process, the carbide tip extends l more→ife and productivity, allowing users to drill fast, accurate holes. The multi-ground carbide tip design allows for aggressive starts that produce clean holes when drilling into hard materials. The 3-Flat Shank provides extra stability by eliminating spinning in the drill chuck.