Square hole drill bit

Great for drilling square holes in wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.

Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.

It will get double effect by matched use with mortise and tenon machine.The square hole punching needs to use electric drill, hammer & other tools.