Bosch Nail Strike 6 Piece Assorted Woodboring Spade Drill Bit Set 42 inch Mower I love the soft radius it is listed for I love the soft radius on the leading edge—it feels bespoke and polished wood look vinyl stands up to everyday wear in busy areas Nail killing wood boring bit design – adds extreme durability to Bosch speed for nail embedded wood Reinforced reamer cutting edges – make this bit the first wood boring bit to drill through nails Optimized for wood and some wood with nails – combines superior drill speed with engineered nail cutting durability Fully threaded cone tip – pulls the bit through wood quickly and effortlessly Contoured paddle design – increases speed with faster chip removal Hex shank – improves bit grip and allows use with a variety of drill types Premium bit material – combined with innovation for great performance and life Series Name Nail Strike Sub Brand N A Bit Type Spade bit Bit Length 6 in Shank Size 1 4 in Shank Type Hex Material High carbon steel Case Type Soft Quick Change No For Use With Power tool For Use on Metal No For Use on Wood Yes Warranty None Set Individual Set Package Quantity 6 CA Residents: Prop 65 Warning(s) No Bit Diameter (Inches) Assorted Brand Model Compatibility Fits most drill drivers