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Description
This is great for drilling square holes in wood with a mortising machine specification
The square hole drill cannot be used on an electric drill, square drill holes need to fit a square hole drill (notch and tenon machine) drilling to use.
Mortise and tenon square hole pierced by the terrible + outer sleeve in the middle of the combination.
Reduce the labor intensity of construction workers, accelerate construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
Arc design, excellent sharpening durable.
Use subjects: square hole drill is mainly used for woodworking aspects.
Characteristics:
Name: square hole saw
Product size: 1/4 inch (6.4mm), 5/16 inch (8mm), 3/8 inch (9.5mm), 1/2 inch (12.7mm)
Material: spring steel
Color: as the picture shows
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