5pcs 16mm / 20mm / 25mm / 30mm / 35mm Alloy Steel Perforator Punching Hole Drill Bit with Round Shank and Sharp Blade for Woodworking

5pcs 16mm / 20mm / 25mm / 30mm / 35mm Alloy Steel Perforator Punching Hole Drill Bit with Round Shank and Sharp Blade for Woodworking Features: - Precision ground for heavy use and easily resharpened, they can enlarge existing holes with ease and can bore any arc of a circle. - Carbide tip is specially designed to through hole cleanly in end grain and thin stock, great for boring concealed hinges and door clocks.It is far safer and more accurate to use this drill bit in a drill press. - Suitable for hand held electric drill, stand motor-driven drilling machine and mobile ribbon type magnetism drilling machine. - Can be used for a variety of wood, wood products, plastics, plywood and other materials openings.Model: Punching Hole Drill BitMateria: Alloy Steel Full Length: 71-75 mmShank Diameter: 7-12 mmBlade Length: 8-18.5mmColor: See Picture.Size: 16mm / 20mm / 25mm / 30mm / 35mmQuantity: 5pcs Product Weight : 260 G / 9.17 Ounces Product Dimensions (L*W*H) : 116*75*32 MM / 4.57*2.95*1.26 Inches Package Weight : 260 G / 9.17 Ounces Package Dimensions (L*W*H) : 125*110*35 MM / 4.92*4.33*1.38 Inches Retail Packaging: No, No Packing