Feature:
1.Fits mortising attachments .This square hole drill bit is great for drilling square holes in wood with a mortising machine or a mortising attachment (not included).Creates deep, clean holes quickly and cleanly in hard or soft wood.Use matters: Square hole drill is mainly used for woodworking aspects.
2.Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.Suitable for construction, installation, renovation, decoration industry, etc.
3.Standard chip design, easy to remove the side of wood chips, improve drilling efficiency.material, high hardness, lengthened core.Matched use with mortise and tenon machine.Wood chisel sets is mainly used for wood working: rosewood, board, shaving board.
4.High hardness, long hardness, high concentration.It is very suitable for drilling on wood, with a mill or a morning coat. Suitable for all motors and press accessories. The square-hole drill is mainly used for woodwork.
Specification:
Material: high carbon steel
Full length: 1 (mm)
Blade length: 1 (mm)
Shank diameter: 5.5, 6.5, 6.8, 8 (mm)
Blade diameter: 6.4, 8, 9.5, 12.7 (mm)

Package List:
4PCSX Auger Bit