6 PC Spade Bit Set 6" with Speedtip

Drill bit sizes: 3/8", 1/2", 5/8", 3/4", 7/8", 1"; Threaded tip pulls the bit through wood; Faster boring speeds than standard spade bits; Smoother boring action than most spade bits leaving clean, smooth-sided holes; Threaded tip has a groove cut through the threads on both sides helping keep the threads from clogging and maintaining boring consistency.