Retractable Starter Bit with Large Arbor provides accurate centering in less time when cutting tile, stone and glass. With the highly durable Retractable Starter Bit, no pilot holes are required. The pilot bit also helps to prevent the drill bit from walking when starting a hole. The drill bit is made of high-speed steel and has a black oxide finish. It is suitable for use with wood, metal, and plastic. You'll cut clean, accurate holes faster when you use the Retractable Starter Bit with Diamond Plus Threaded Hole Saws. Diamond Plus Hole Saws deliver the best-in-class performance and the lowest cost per hole on the market with up to 10X longer life. Use it with Diamond Plus Threaded Hole Saws to increase your productivity when cutting hard, abrasive materials. Large Arbor fits hole saws 1-1/4" and larger.
- Increase productivity: no pilot hole required
- Improve accuracy: Hard carbide retractable bit securely marks hole center
