Drill Bits and Extension Sets

The MILWAUKEE® THUNDERBOLT® 15PC Black Oxide Drill Bit Set offers heavy-duty performance on the jobsite. Black Oxide coating reduces heat build-up and provides corrosion resistance. The thicker core provides ultimate strength and protects against side-load breakage while a specially designed parabolic flute form clears chips and debris fast to keep the bit cool. The 135° split point tip delivers a precision start and prevents walking for fast, accurate holes. MILWAUKEE® THUNDERBOLT® Black Oxide Coated bits are ideal for various drilling applications in wood, plastics, and metals. The set is organized in a customizable accessory case designed for use in PACKOUT™.

The Milwaukee® retractable starter bit with large arbor provides accurate centering in less time when cutting tile, stone and glass. 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. With the highly durable retractable starter bit, no pilot holes are required. 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 in. and larger.