Inside cutting plane shaves hole radius for smooth, clean holes
Resharpenable cutting edges extend bit life and maintain performance
Hex shank provides secure grip for drill chuck stability
Compatible with both tab and lag bolt installation methods
Heavy duty steel construction ensures durability in outdoor conditions
Summarized by Shop
These drill bits are intended to be used with our Treehouse Attachment Bolts (TAB) and treehouse lag bolts. TABs will require both a 3" Speedbor and one of the auger bits, while the lag bolts will just require one of the auger bits. For our Heavy-Duty TABs, please see our 1½" & 1⅝" ship auger selection.
During installation, the insi
Material
Steel
Color
Black, Blue, Silver
Pattern
Solid
Suitable for
Wood
Compatible drill attachment
3 Speedbor (for tabs), 7/8-1 or 11/8 auger bits (for lag bolts)