6mm - 25mm Square Hole Saw Drill Bits Woodworking Mortising Chisel Drill Bit

Specification.
1/4 (6m m),5/16 (8 mm),3/8(9.5m m),7/16(11m m),1/2(12.7m m),9/16(14m m),5/8 (16mm),3/4(19m m),7/8 (22m m),1"(25m m)

Material:bearing steel

Use.
Suitable for density board, medium fiber board, particle board, wood and other wood products

Suitable for: square hole drilling machine, square tenon machine

 

*Features*

---- alloy drill bit ----
The drill bit is forged with alloy steel, high hardness with overall heat treatment, long service life

---- Drill sleeve design ----
The force of the drill sleeve edge is in one plane, effectively protecting it from bursting at the beginning of use

---- chipformer ----
U-long chip discharge slot design, easy to discharge wood chips, improve drilling efficiency

---- Universal shank type ----
Rounded end of the drill for stable clamping for square hole drilling machines and square tenoning machines