UPTODATETOOLS 4Pcs HSS Square Hole Drill,Mortising Chisel Drill Set,Woodworking Drill Tools Auger,DIY Furniture Square Woodworking Drill 6/8/10/12.7mm
- 1. This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment. UPTODATETOOLS
- 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. UPTODATETOOLS
- 3. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination. UPTODATETOOLS
- 4. Reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, UPTODATETOOLS
- Size-: 1/4 "(6mm), 5/16" (8mm), 3/8 "(10mm), 1/2" (12.7mm). UPTODATETOOLS