15/16" X 4" "12,000-Series" Annular Cutter magnetic drill Retrofit your drill with a

Retrofit your drill with a crane clamp

The 150 RPM range is for the Black Twister Bits or the 350 RPM range is for the Carbide Twister Bits

Also works with Hougen Mag Drills with the 3/4" two flat shank

Trak-Star Bonding Bits are for use in the RB2SPD with the Bonding Retrofit Kit (05570)

15/16" X 4" "12,000-Series" Annular Cutter magnetic drill Retrofit your drill with aFeatures the patented Quad Helix Flutes which are a revolutionary design for deep hole drilling. The auger style flutes extract chips quickly resulting in faster, more accurate and cleaner holes. The unique Hougen by Trak Star features provide the best performance in the widest range of materials. Use with the HMD918 mag drill 3 4" Shank Resharpenable Requires pilot 4 10528 Made in USA