uxcell Square Hole Drill Bit, 7/16" High-Carbon Steel Hollow Chisel Mortise Power Tool for Woodworking

Features:
It will get double effect by matched use with mortise and tenon machine.The square hole punching needs to use electric drill, hammer and other tools.
Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
The square chisel mortiser combines the cutt...