HSS Square Hole Drill Bit Auger Bit Steel Mortising Drilling Craving Woodworking Tools. Mainly used for carpentry, applicable to the construction, installation, decoration, decoration industry use.

Features:

• This Mortising Chisel set is great for drilling square holes in wood
• Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
• Fits mortising attachments with 3/4 "collars
• Use matters: Square hole drill is mainly used for woodworking aspects.
  
• Square hole drilling is used in the square tenon machine, specially used for a drill square hole, it can not be used on electric drill.

Specification:

• Model: 833749
• Name: Square Hole Saw Mortising Chisel
• Material: 45# Steel
• Square hole size: 6mm, 8mm, 12.5mm