- 【Five Size】:- 1/4 Inch (6.4mm), 5/16 Inch (8mm), 3/8 Inch (9.5mm), 2/5 inch (10mm), 1/2 Inch (12.7mm).
- 【High Quality】:- Made of high-speed steel,Heat treatment, HRC48~50, high hardness,lengthened core,high concentricity.
- 【Cost-Effective】:- Mortise and tenon square hole drilled by SaferCCTV + outer sleeve in the middle of the combination Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.
- 【Fit Machine】:- Great for drilling square holes in wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects.
- 【Satisfaction Guarantee】:- Square Hole Drill Bit made by factory that manufactures products for big international tool brands with guaranteed quality. If you have any problem with the Square Hole Drill Bit you purchased from us, please feel free to contact us and our sales support team is standing by to assist you.
