4 Piece Square Hole Drill Bit Set, Square Hole Wood Drill Bits, Square Hole Mortising Chisel
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Product information
Description
Material: High-speed steel; Hardness: HRC48-50, durable and practical, heat treatment, long life.
4 different sizes: 1/4" (6.35 mm), 5/16" (7.94 mm), 3/8" (9.5 mm), 1/2" (12.7 mm).
Ideal for drilling square holes in wood with a mortiser or mortising machine.
It is used in combination with the mortising machine. If you open the square hole manually, tools such as a hand drill and a hammer are required.
Standard chip design, easy to remove wood chips from the side, improving drilling efficiency. Reduces the labor intensity of construction workers, accelerates construction speed, and reduces construction costs for the construction, installation, renovation, and decoration industries.
Features
- BrandBEIJIYI
- Warranty2 year(s)
- Diameter12.7 mm
- Compatible machineDrill
- Suitable forWood


















