Nordara 4Pcs Woodworking Square Hole Mortise Drill Bits

Packing Included 4PCS Packing Included6.4/8/9.5/12.7MM Description: 100% Brand new and High quality. This Saw Drill Bit is Made of #45 steel, heat treatment, HRC48-50, offers high hardness, lengthened core, and high concentricity. Great for Drilling Square Holes in Wood with a mortising machine or a mortising attachment. Fits all mortising machines and drill press attachments. Square hole drill is mainly used for woodworking aspects. This Set of Great woodworker tools can reduce labor intensity of construction workers, speed up the construction speed, reduce construction costs. Specifications Product Material: #45 Steel Product HardnessHRC48-50 Product Model:6/8/9.5/12.7MM | Nordara 4Pcs Woodworking Square Hole Mortise Drill Bits