Woodworking Square Hole Drill Bit Mortising Chisel. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination Reduce labor intensity of construction. When you pull down on the mortiser's feed lever, the bit and chisel plunge simultaneously into your workpiece.
Woodworking Square Hole Drill Bit Mortising Chisel Suitable for all motors and press accessories.