Description
Size: 3/4 Inch(19mm), high-speed steel material, high hardness, sharp-edged and durable drill bit .
Only use for the opening square hole or rectangle hole, used on most of mortising machine or mortising attachment & tenon machine. CAN NOT be used on an electric drill.
Once molding sqare hole, speed up construction, Reduce labor intensity ,reduce the construction cost of construction, installation, decoration, decoration and other industries
The holding diameter is Approx. 19mm / 0.74inch (as picture show), please verify this chisel is suitable for your Mortising Machine.
The Mortising Chisel consists of two partsround Core drilling and square drilling ( as picture show ).when installing ,this two parts need to be held tightly by a clamp.
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