IVY Classic Drill Bit Ivy Classic 47190 SDS Plus Hammer Drill Bit Set SDS Max Hammer Bit Available in a variety of lengths and diameters. IVY Classic SDS Max Carbide Hammer Bits are designed to drill perfectly concentric holes through granite, stone, brick, block, and concrete. The 4-cutter tungsten carbide reinforced head is copper-silver brazed to withstand extreme heat and reduces vibration for smoother and more efficient drilling Designed to drill perfectly concentric holes through granite, stone, brick, block and concrete. 1/2 x 24 SDS 2-Cutter Carbide Bit | K.L. Jack Fits all SDS Max hammer drills and meets ANSI specifications. 4-Cutter tungsten carbide reinforced head is copper-silver brazed to withstand extreme heat and reduces vibration for smoother and more efficient drilling. Snapklik.co : IVY Classic 46110 5/8 X 3-1/2 Forstner Bit IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools. These bits are constructed with a chrome vanadium steel body to ensure strength and straightness. The 4-cutter tungsten carbide reinforced head is copper-silver brazed to withstand extreme heat and reduces vibration for smoother and more efficient drilling.