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The Marcrist PC850 3 Piece Diamond Core Set is a comprehensive dry diamond coring kit designed for plumbing, heating, and electrical specialists working with hard building materials. The set covers three of the most commonly required core sizes — 38mm, 52mm, and 117mm — making it a versatile choice for running pipework, conduit, and cable through walls and floors. All three bits feature an 8mm segment height and 165mm core length, suited to dry drilling through non-reinforced concrete, brick, London bricks, natural stone, calcareous sandstone, Poroton, and concrete pipes. Every essential accessory is included straight out of the box: a 200mm pilot drill, drift key, 1/2" jaw chuck adaptor, and extension rod. The kit is supplied in a sturdy aluminium carry case, keeping components organised and protected between jobs — a practical benefit for contractors moving between sites. Features and Benefits: • Three common core sizes (38mm, 52mm, 117mm) included for versatile on-site use • Dry drilling capability — no water supply required on site • Fast, efficient cutting with long service life for low cost per hole • Minimal drilling residue for a cleaner working environment • Full accessory kit included — ready to use from first use • Aluminium carry case for secure transport and organised storage Specifications: Core Length: 165mm Segment Height: 8mm Contents: 38mm Core Bit 52mm Core Bit 117mm Core Bit 200mm Pilot Drill Drift Key 3 Jaw Chuck Adaptor 1/2" (M) Extension Rod Carry Case
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