Square Hole Woodworking Drilling Bit
- This Mortising Chisel is great for drilling square holes in wood with a mortising machine or a mortising attachment.
- 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.
Handle type: Round Handle
Cooling type: external cooling
Cutting diameter (mm): 6-30mm
Shank diameter (mm): 19
Length of chip holding groove (mm): 45-70
Total length (mm): 175-230
Material: Bearing Steel
Maximum cutting depth: 230mm
Blade size: 6-30mm
Model: 1 / 4 (6.4mm). 5 / 16 (8mm). 3 / 8 (9.5mm). 10mm. 1 / 2 (12.7mm). 4pc: 6.4mm.8mm.9.5mm.12.7mm.
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