Portable Line Boring Machine 3 Foot Boring Bar for 1/2 inch square tools

Description

3 foot long Line Boring Bar
1-1/2 inch diameter 1045 turned ground and polished material.
1/2 square holes broached on 3 inch centers.
5/16-18 set screw holes to clamp cutting bit in place
Designed for use with our portable line boring machines as shown in photo.
Use without our drive head would require purchaser to use an adapter to drive the bar.
We offer 2 style couplings(SOLD SEPARATELY)
One is for the Milwaukee 4262 Drill motor, this mounts over the drill chuck as shown
The second one is for the Milwaukee taper shank type drill motor, and mounts in place of the taper adapter.
Cutting bit and drive couplings not included.