General description Faithfull Dry Diamond Core Bit 117 x 150mm combines a professional quality 1/2in BSP threaded core with premium 8mm fluted turbo cut diamond segments. These core bits are designed for exceptional wear and speed of cut, making them ideal for plumbing, electrical, and general building installations to cut clean holes in brick and concrete blocks. Technical specifications Diameter: 117mm Length: 150mm Overall Length: 150mm Manufacturer Part Number (MPN): FAIDCD117 EAN: 5023969314365 Installation Suitable for rotary use ONLY. Must not be used on percussion/hammer mode. For use with a power drill of 850 watts or higher, equipped with a safety clutch and a variable speed function. Do not use Diamond Cores larger than Ø78mm with SDS Plus drills to avoid damage to the power tool or SDS adaptor. Best results are achieved when used with a purpose-built core drilling machine. Usage Faithfull Dry Diamond Core Bits are perfect for creating clean holes in various materials,