Bits are welded to a hardened steel shaft. Crossbored through the bit to allow wire pulling. Carbide bits cut stone or concrete. Not intended for use in wood or metal.-Main Features- Drill Bit Type: Masonry Bit - 0.50" Diameter-Drill Bit Length: 24"-Material: Carbide-- - - - Marketing Information- Bits are welded to a hardened steel shaft. Crossbored through the bit to allow wire pulling. Carbide bits cut stone or concrete. Not intended for use in wood or metal.- - - Information- Name:1/2 X24 CARBIDE HANGER S BITCategory:Drill Bits ?Tools & HardwareUPC Code:742585912247 Also known as -B.E.S. 1/ 2 X24 CARBIDE HANGER S BIT - 2E-BELLC1224