描述
- Material and size: High-speed steel, heat treatment, high hardness,sharp cutting edge, continuous blade, quick cuttings, high efficiency. And come with 5 different size, 6mm, 8mm, 11mm, 12.7mm, 14mm, suitable for opening different square holes.
- Labor-saving and precise:This mortising chisel professional Great for drilling square holes in wood with a mortising machine or a mortising attachment. And reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation
- How to working: The square drill 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, and the debris will be discharged from the tube at the same
- Application: Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects. Attention: the chisel alone doesn't work in a drill press, you need a mortise attachment for your drill press.
- Guarantee: We promise give you good service, if there is any problems, please just contact us, we can refund you or send you new replacement
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Features: Professional woodworking square drill bits set for holes, includes 5 size: 6mm, 8mm,11mm 12.7mm, 14mm ( 1/4, 5/16, 7/16, 1/2, 9/16 inch) One-time drilling a square hole, and the broken slag dust can be discharged from the tube. Suitable for construction, installation, renovation, decoration industry, etc. Made of high-speed steel, heat treatment, high hardness, lengthened core, high concentricity. The square hole punching needs to use electric drill, hammer & other tools. It will get double effect by matched use with mortise and tenon machine. Specification: Mode: Square drill bits Quantity: 5PCS Material: HSS Size: 6mm, 8mm,11mm 12.7mm, 14mm (1/4, 5/16, 7/16, 1/2, 9/16 inch) Package included: 5 PCS Woodworking Square Drill Bit Set
