Extended Dry Diamond Core Bits For Deep Walls

Applications: These core bits have extended barrels to drill into deep walls. They are especially useful in the walls of older building where the middle may be loose-filled. Once drilled through, the pipe can be inserted as the core bit is withdrawn to help avoid fall-back of the loose fill. They use standard dry core bit 1/2" BSP fittings. Use a power drill without hammer action and with a clutch or torque limiter. Ideal power would be 1kW or more, especially for the 107mm size. Specification: Premium diamond segments Laser welded segment joins for strength Dust feed 'N ' slots remove dust from cutting face. External spiral dust feed to push dust to back. Takes standard dry core bit fitments 1/2"BSP male adaptors. Ideal for most wall stone, brick and concrete. Also Available: We stock a range of accessories for dry core bits.