Air Tools & Compressors. Garden Tools & Watering. Tool Boxes & Storage. Work Benches & Vices. Adhesives, Sealants & Fillers. Books, Guides & Videos. Decorating & Tiling Tools. Ladders & Lift Trucks. Detectors & Testing Tools. Huge range of top brand tools. With over 100,000 products available. Add to Favourite Sellers. Sign up to Newsletter. Marcrist PC850 Diamond Core Drill 52mm. The Marcrist PC850 Universal Diamond Core Bit offers lightning fast drilling, without breakout, and without the need for special machinery. Material from common brickwork to hard concrete can now be drilled dry. Ideal for everyday use by plumbing, heating and electrical specialists. Specifications. Diameter: 52mm. Length: 165mm. Tooled-Up has been trading since 2001 but started out life as a family run local engineering business supplying local customers in Enfield since 1976. We are still family run business and we strive to continue expanding our huge range of products, maintain our excellent standard of customer service and build on our extensive knowledge base. Any questions please do not hesitate to call our customer services team. We are authorised stockists for all major brands including Black & Decker, Bosch, DeWalt, Draper, Festool, Fiskars, Gardena, Karcher, Makita, Sealey, Snickers, Trend and many, many more. View more great items. Marcrist PC850 Diamond Core Drill 78mm. Marcrist PG750X Dry Tile and Porcelain Drill Bit 14mm. Marcrist PG750X Dry Tile and Porcelain Drill Bit 58mm. Marcrist PG750X Dry Tile and Porcelain Drill Bit 68mm. Be the first to find out about our latest news and product offers! This listing is currently undergoing maintenance, we apologise for any inconvenience caused.