6.4/8/9.5/12.7mm Square Hole Mortiser Drill Bit Mortising Chisel Auger HSS Twist Drill Woodworking Tool

Description:6.4/8/9.5/12.7mm Square Hole Mortiser Drill Bit Mortising Chisel Auger HSS Twist Drill Woodworking ToolSpecification:Material: High Speed SteelSize: 6.4mm,8mm, 9.5mm,12.7mm (Optional)Application: used for woodworking punchingQuantity: 1pcFeatures:- The whole heat treatment, HRC48-50, high hardness.- Drilling core is lengthened, concentricity is high.- Used with mortising chisel,if extend square hole manually, need to use electric drill,hammer and other tools.- The dimension refers to the length of the square hole drilled by the square hole.- The cylinder diameter of the clamped portion is 19mm/0.74inch.- The square hole drilling core are more than 210mm, belong to longer drilling core.Package Inlcuded:1pc x Mortiser DrillNote:- Please allow minor deviation due to manual measurement.- Due to the difference between different monitors, the picture may not reflect the actual color of the item.More Details: