Continuous Threaded Adapter Tube Drill
1)Three parts split,Many Cutter heads Easy to Carry,Long-Term Operations,Light Weight.
2)Made of Seamless Steel Tube,No Cracking.
3) 45 Gauge Steel ,Strong and Durable,On Average,3 Cutter Heads can be Replaced.
4)All Industry Standard Sizes of Screw are Available.
5)Real Material Cut to See,Diamond Grain Visible.