General description This Faithfull 11 Piece Diamond Core Drill Set offers professional quality with a 1/2in BSP threaded core, tipped with premium 8mm turbo cut diamond segments. Designed for exceptional wear and speed of cut, the 'V' groove segments assist in clearing debris during use. The robust case ensures optimal storage to keep the cores in prime condition. This core drill set is ideal for plumbing, electrical, and general building installations, allowing for clean holes in brick and concrete blocks. The kit contains the most popular core sizes used in the UK. Technical specifications Diameter: Mixed Set MPN: HF11PSA EAN: 5023969307367 Core Sizes: 38mm, 52mm, 65mm, 117mm, 127mm Thread: 1/2 inch BSP Turbo Segment Thickness: 8mm Compatibility and accessories 5 x Diamond Cores with 8mm Turbo Segments 1 x SDS Plus Extension Adaptor 10mm x 115mm 1 x HEX Extension Adaptor 12mm x 88mm 1 x SDS Plus Extension Adaptor 10mm x 240mm 1 x HEX Extension Adaptor 12mm x 240mm 1 x A-Taper Pilot