Sturm Professional ID21105P

DeWalt 1 inch 2 Philips drywall bits (25-pack) are made of shock-resistant tool steel for long-lasting use. An advanced hardening process is used for added durability. They have a snub-nose design.

Specifically designed to handle the abuse that impact drivers dish out, the DeWalt DW2149 28-piece Screwdriving Bit Set consists of the most commonly used bits, made of a special steel that is designe more→d to be ultra-durable. Each bit uses a black oxide process for greater wear resistance and strength. The tips in the DW2149 set can be used with impact tools rated for up to 2,000 in. lb. of torque. Comes in a tough case to keep it organized and easy to transport.

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.