Gun Drill Bits
Name: Square Hole Saw
Material: High-speed steel
Color: as picture shows
20 sizes for choosing: 6mm/6.4mm/8mm/9.5mm/10mm/12mm/12.5mm/12.7mm/14mm/15mm/16mm/18mm/19mm/20mm/21mm/22mm/25mm/26mm/28mm/30mm
Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.
Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
Arc design, exquisite sharpen durable.
Use matters: Square hole drill is mainly used for woodworking aspects.

Package Includes:
1 x Square Hole Drill

Note:
Please allow 1-2cm errors due to manual measurement.
Item color displayed in photos may be showing slightly different on your computer monitor since monitors are no