High Speed Steel Twist Drill Bits Woodworking Drill Bit Set (6mm~16mm)

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  • Regular price $16.65

Tool holder type: round

Cooling type (internal cooling/external cooling): External cold

Cutting diameter (mm): 6-16

Diameter of handle (mm): 19

Length of chip pocket (mm): 40-60

Useful length (mm): 45-75

Total length (mm): 190-210

Outer edge angle (°): 45


1.Square hole drills are mainly used to make square or rectangular grooves on all kinds of wood. They are suitable for all kinds of woodworking production and manual DIY enthusiasts.

2.Square hole drills cannot be used on electric drills, and a tenon and tenon machine is required to drill square holes.