This Woodwork Square Hole Mortiser Drill Bit is what you need to drill square holes in wood easily. This combines thecutting of a four-sided chisel with a drill bit in the center. The chisel ensures the edges are straight and clean, while the bit clears out most of the material to be removed.
The tool fits all mortising machines and can also be fitted to normal drill presses using a mortising attachment. It greatly reduce the time and effort in drilling square holes in wood. Available in 4 sizes.
Great in drilling square holes easily in wood
Useful in renovation, construction, installation and decoration
No need to use extra tools as for using tenon machine
Heat-treated hardened high speed steel drill bit
Fits all mortising machines
Can be fitted to normal drill presses using a mortising attachment