Core Bits - Dry Masonry

Features Zig Zag laser welded turbo segments and a special barrel with cooling slots and spiral grooves. Fast and cooler drilling in non-reinforced concrete block and masonry materials. No water needed for easy clean up. Main applications include drilling for pipes or dryer vents in block or masonry walls. Bit is 9" long with 58"-11 thread for use on an Angle Grinder.