Professional wood drill bit Suitable for construction, installation, renovation, decoration industry, etc. Special steel, heat treatment, HRC48~50, high hardness, lengthened core, high concentricity. It will get the double effect by matched use with mortise and tenon machine.
- Drill lengthened, high concentricity.
- The whole heat treatment, HRC48-50, high hardness.
- With the use of tenon machine, if the manual open hole, you need a hand drill and hammer and other tools.
- High-quality material with long service time.
- Name: Square Hole Saw
- Material: High-speed steel
- Color: as picture shows
- 2 Sizes for choosing: 10mm/16mm
- Length: 203mm(10mm diameter): 208mm(16mm diameter)
- 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. Mortise and tenon square hole drilled by the terrible + 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.
- Arc design, exquisite sharpen durable.
- Use matters: Square hole drill is mainly used for woodworking aspects.