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Hex Adaptor Set for CGS Drills - Diamond Core Drill For Granite Porcelain and Polymer Concrete

Suitable for cutting hard porcelain and granite bench tops. Use water to cool diamonds and remove waste material from the cut. Use also for coring polymer concrete and plastic/glass cable jointing pits. Avoid overheating diamond segment by quenching in water. NOTE: Diameters up to 29mm are fitted with 12mm HEX shank and carbide pilot drill, diameters from 32mm drills are fitted with 1/2” BSP female threads and are supplied with a 12mm HEX shank spindle, A taper pilot bit together with a wedge key. All core drills have an internal depth of 50mm.