XZH Diamond Hole Saw set Pilot Center Drill Bit 3PCS(16mm, 35mm & 68mm) Vacuum Brazed Diamond Core Drill Bit for Porcelain Tiles, Ceramic, Glass, Marble, and Granite

• 【Package Content】:3 pcs professional Diamond Hole Saw Drill Bits Set: 16mm 35mm,68mm. Featuring a robust diamond-tipped design, Diamond coated hole saw drill bit with vacuum brazed technology, Ideal for drilling on tile, porcelain, glass, marble, ceramic etc.
• 【Effortless Setup & Precision Drilling】:a removable pilot bit for exact positioning. Adjust your setup with ease using the supplied hex wrench, Avoids the hassle of slipping and makes drilling holes on tiles easy and precise.
• Durable Performance: Vacuum brazing technology ensures superior diamond adhesion, enhancing both heat and wear resistance for a longer, more reliable service life.
• 【Enhanced Cooling Feature】:To enhance performance and prolong the service life of the bits, the use of a water cooling method is advised. By lubricating the bit with water during drilling, or periodically immersing it in water, smoother operation and cleaner results are achieved.
• 【Worry-Free After-Sales Guarantee】：For issues like drill bit breakage, abnormal wear, or specification discrepancies, Expect a response in case of transit damage, we'll immediately send replacements, ensuring a risk-free purchase.

This Three most-used sizes (16mm, 35mm, 68mm) with pilot drill bits, offering great versatility for various projects from plumbing and electrical installations to crafting. Features diamond grit edges designed to efficiently cut through extremely hard surfaces like porcelain, ceramic tile, granite, marble, stone, and even glass bottles without chipping or cracking.Constructed from high-strength steel for enhanced wear-resistance and durability compared to ordinary hole saws. Includes pilot bits for accurate starting and stability during drilling. Remember to use water as a coolant during operation for best results, to extend the life of the bits, and to achieve a smoother finish.Perfect for installing taps, shower fittings, pipes, downlights, or creating openings for other fixtures in tiles, worktops, and bottles.