ONE BIT FOR ALL DRILLING: One bit can drill 1/4 inch, 3/8 inch, 19/32 inch, 3/4 inch, 1 inch, 1-3/16 inch, 1-3/8 inch, 1-5/8 inch, 1-3/4 inch, 2 inch, 2-3/16 inch, 2-3/8 inch 12 different diameters of holes, saves time and effort in replacing the bit
DURABLE AND STRONG: Durable high speed steel with black coating ensures durability and sharpness, reduces friction, runs cooler, resists heat, corrosion and rust, and extends the life of the cutting edge even in extreme temperatures
EXTRA LARGE STEPS DRILL: Shank diameter is 13 mm (1/2 inch), use one step drill to drill different sizes of holes, much more convenient than using multiple drills, ideal for DIY projects in home, garden, workshop
HIGH PERFORMANCE: Split tip is at 118 degrees for better wear resistance. Double helix blade design makes smoother cuts, easier to dislodge material particles and cleaner drilling operations, can be used with electric drills, rechargeable drills and more
WELL DESIGNED: Provides stability during the drilling process, minimizes noise and vibration, which improves work efficiency and safety, bringing a smoother and quieter drilling experience