1-3/16" X 4" "12,000-Series" Annular Cutter Hougen The unique annular (hollow) design

The unique annular (hollow) design and thicker cutter wall offers extended tool life and extra durability

The RailBoss from Trak-Star is the world's most powerful and reliable 4-stroke Gas Powered Rail Drill

Not for use with Trak-Star rail drills

Ergonomic housing

• Optional clamp for crane/girder rail

1-3/16" X 4" "12,000-Series" Annular Cutter Hougen The unique annular (hollow) designFeatures 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