Carbon Steel Auger Drill Bit Set Self Centering Multi Tooth Woodworking Hole Opener Tungsten Carbide Hole Expanding

Size: 15 mm, 20 mm, 25 mm, 30 mm, 35 mm, 54 mm/(0.59 in, 0.79 in, 0.98 in, 1.18 in, 1.38 in, 2.13 in) Material: Carbon Steel Length: 85 mm/3.34 in Shank: 8 mm/0.31 in Round Shank Package Included:5 Pieces Multi-tooth Drill Bit Features: 1. The use of advanced technology manufacturing, high-quality materials, long time. 2. Drill holes neat, smooth, no broken edge, will not produce tremor phenomenon. Incision resistance is small, improve the drilling speed, chip removal easily. 3. Can be used for a variety of wood, wood products, plastics, plywood and other materials openings. 4. Easy to install, easy to use, only need to be installed in the hand drill can be used. Work noise is small.