Drillpro 6.35/7.94/9.5/12.7mm Woodworking Square Hole Drill Bit Mortising Chisel 1/4 to 1/2 Inch
Description:
6.35/7.94/9.5/12.7mm Woodworking Mortising Chisel Square Hole Drill Bit 1/4 to 1/2 Inch
Specification:
Material |
High-speed steel |
Hardness |
HRC48-50 |
Size |
1/4" (6.35mm), 5/16" (7.94mm), 3/8" (9.5mm), 1/2" (12.7mm) |
Clamping shank diameter |
19mm (Round) |
Length |
210mm |
Features:
3. Mortise and tenon square hole drilled by the terrible + outer sleeve in the middle of the combination.
2. The utility model in the hole drilled by the rotary body, while the impact of the use of hammer impact force transmitted to the outer body, the material crushing round hole and square head wall, a one-time processing of a square hole, and the dust can be broken slag discharged from the tube.
1 x |
Square Hole Drill Bit |
or
4 x |
Square Hole Drill Bit |
More Details: