Bosch BM2009 Drill Bit, 5/16 in Dia, 6 in OAL, Percussion, Spiral Flute, 2-Flute, 5/16 in Dia Shank

The Bosch Fast spiral rotary masonry drill bit delivers fast drilling in masonry, using corded or cordless rotary drills. The bit features a double-flute design that provides fast drilling with optimized material removal. It can be used in high-speed mode. The carbide tip adds durability and minimizes wear. Designed for rotary drilling in masonry, brick and block, the bit starts clean, with a tip that is designed for reduced walking.