Lala Smill 3/4-Inch Mortising Chisel Square Hole Mortising Bit, High-Carbon Steel Woodworking Power Tool for Hollow Chisel Mortising Machine, Drill

Lala Smill 3/4-Inch Mortising Chisel Square Hole Mortising Bit, High-Carbon Steel Woodworking Power Tool for Hollow Chisel Mortising Machine, Drill

1. Made of high-speed steel material, high hardness 56HRC, sharp-edged and durable square hole drill bit used for MDF, Particleboard, Soft woodbit .Don't worry about quality issues, 90 day warranty, support returns and exchanges service. 2. Drill bits diameters: 3/4 inch , The holding diameter is 19mm / 3/4inch (as picture show), Work for hollow chisel mortising machine or drill presses had adjustable chucks , these square hole drill bit attach to a device that bolts to your drill press .( which can hold 3/4" shaft of the chisels) . 3. Only used 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. 4. The Mortising Chisel consists of two parts，round Core drilling and square drilling ( as picture show ).when installing ,this two parts need to be held tightly by a clamp. 5. Once molding sqare hole, speed up construction, Reduce labor intensity ,reduce the construction cost of construction, installation，decoration and other industries 3/4 inch Square Hole Mortising Chisel
Material: High-Carbon Steel
Diameter : 3/4 inch
Support Diameter(holding dia): Approx. 19mm / 0.7inch
Color : silvery
Hardness: Up to HRC48~50
Work for Hollow Chisel Mortising Machine , Drill Press.

 Package include：
1pc 3/4 inch Square Hole Mortising Chisel