Mortising chisel square hole drill bits
1. Great for construction, installation, renovation, decoration industry, etc.
2. Apply for woodworking project, such as solid wood ,board, Plywood and so on
3. Woodworking Square Drill Bits can be used on mortising machine or mortising attachment & tenon machine. CAN NOT be used on an electric drill.
4. Material: High Speed Steel(HSS)
5. Hardness: Up to HRC48~50
6. Support Diameter(holding dia): Approx. 19mm / 0.7inch
How to work ?
This Mortising chisel bit is Combination of square and round drills, the impact of the use of hammer impact force transmitted to the outer body,
the material crushing round hole and square head wall, a one-time processing of a square hole.
Package include:
1 pc x 3/4 " woodworking Mortising Square Hole Drill Bit