Set of 4 Diamond Drill Bits 6, 8, 10, 12 Mm – Hex Shank. 7 Mm for Tiles, Glass, Marble, Granite

Set of 4 professional diamond drill bits/cores Ø 6, 8, 10 and 12 mm, total length 65–80 mm, 7 mm hexagonal shank compatible with most chucks and drills (Bosch, Makita, Metabo, Hilti, Milwaukee…). High-quality diamond head, heat-resistant and impregnated with cooling wax ; suitable for dry drilling but the use of water or a coolant greatly extends the service life. Applications : glass, tiles, ceramic, porcelain, marble, granite, quartz, limestone, fiberglass, terrazzo, porcelain stoneware, masonry, stone. Usage tips : Start the drilling point with a carbide drill bit, begin at 45° then straighten the drill, drill in light circles to clear debris, take regular breaks and cool with water. Recommended speed ≥1600 rpm for cordless screwdriver, 2000–3000 rpm for electric drill. Clean the wick after use. Sold in packs of 4. The Seller confirms that its products comply with all applicable laws and are only offered if they comply with Joom's policies and European laws on product safety and conformity.