Black&Decker BD40K27

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

The Milwaukee Shockwave 8 piece 1 in. Metric Hex Impact Bit Set is engineered to have the most durable, best fitting driver bits on the market. The Wear Guard Tip delivers increased wear resistance wh more→ich protects the fit over the life of the bit. The Shockzone is optimized for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Custom Alloy76 has a customized steel and heat treatment per tip type to extend the life of the driver bits, providing up to 50X life vs. competitive impact driver bits. Shockwave driver bits are built to deliver extreme durability for the most demanding applications.

The 38-Piece Shockwave Impact Driver Bit Kit is engineered to offer you the Most Durable, Best Fitting driver bits on the market. This comprehensive set offers you solutions for a wide range of drivin more→g applications. These bits feature a Wear Guard Tip for increased wear resistance, which protects the fit over the life of the bit. The impact driver bits have an optimized Shockzone for each tip type and length of driver bit to absorb peak torque and prevent breaking. The Milwaukee Shockwave Driver Bits are built to deliver extreme durability in the most demanding applications.