Description
- 🏆 Woodworking Square Hole Mortise Chisel Drill Bits Set, Wood Hole Saw Mortising Chisel Countersink Drill Bit Tool Set Kit 1/4" (6.4 mm), 5/16" (8 mm), 3/8" (9.5 mm), 1" (12.7 mm) for Drill Press (4 different sizes) .
- 🏆Made of high speed steel. Heat treatment, HRC 48~50, high hardness, long core, high concentricity. Ideal for drilling square holes in wood with a taut or eye-opening attachment.
- 🏆Suitable for all splicing machines and drilling machine accessories. Square hole drills are mainly used for woodworking. A dual effect is achieved by using it with the blink and the boring machine. Square hole punching requires the use of electric drills, hammers and other tools.
- 🏆Clamping shank diameter: 19mm (Round) Professional wood drill bit, suitable for construction, installation, renovation, decoration industry, etc.
- 🏆 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.
ღNote: ღ ღSquare 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. ღProduct information ღ ღProduct specifications: ღ ღ4 X drill bit
