SENRISE Square Hole Opener / Twist Drill Bit for Woodworking Punching High Speed Steel Silver Black Size 6.4mm-30mm

Specifications:

Material: High-Speed Steel
Square Hole Opener Size: 6mm,6.4mm,8mm, 9.5mm,11mm,12.7mm,14mm,16mm,19mm,22mm
Twist Drill Bit Size: 6mm,6.4mm, 8mm, 9.5mm, 10mm, 11mm,12.5mm,12.7mm,14mm,15mm,16mm,18mm,19mm,20mm,22mm,25mm,30mm
Application: used for woodworking punching
1.This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment.
2.Square hole drill can not be used on an electric drill, drill square holes need to fit a square hole drill drilling (mortise and tenon machine) to use.
3. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.
4.Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.

Package Included:

1 X Square hole opener or 1 X Twist Drill Bit