- Made of high speed steel through heat processing, including high hardness drill bits and sharp-edged square chisels, which are sturdy and durable.
- Reduce the labor intensity of construction workers, speed up the construction process, and lower construction costs for construction, installation, renovation, and decoration.
- Use different sizes of the square hole drill to match the appropriate power of the square hole machine, 4 different sizes you can choose to meet your need-1/2” (12.7mm), 3/8” (9.5mm), 5/16” (8mm), 1/4” (6.4mm).
- It will get a double effect along with mortise and tenon machine. The square hole punching must use an electric drill, hammer, or other tools.
- Excellent for drilling square holes in wood with a mortising machine or a mortising attachment.
Product Description
Specifications:
Material: High Speed Steel
Hardness: HRC48~50
Dimension & Weight:
1/4” Drill – Bit diameter 6.4mm, shank diameter 4.4mm, weighs 117g
5/16” Drill – Bit diameter 8mm, shank diameter 5.8mm, weighs 140g
3/8” Drill – Bit diameter 9,5mm, shank diameter 6.9mm, weighs 170g
1/2” Drill – Bit diameter 12.7mm, shank diameter 9.5mm, weighs 210g
Package Includes:
1 x 1/2” Square Hole Auger Drill Bit
Tips:
– Square hole drill bit 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.
– If you want the square hole to be tidier, please chisel the detail part by hand.