[PRODUCT NAME]: Diamond hole cutter;diamond drill bits for ceramic; glass drill bit; concrete hole saw; concrete drill bit [PRODUCT PARAMETER]: Head diameter:38mm(1-1/2"); cutting depth:35mm(1-3/8"); shank diameter:10mm(3/8"); total length:70mm(2-3/4"); quantity:2Pcs [USAGE SCENARIOS]: The dry diamond drill bit ideal for cutting granite, ceramics and more. For example, drilling holes for RO systems in granite countertops, drilling drainage holes for flower pots,drilling holes for installing faucets, towel racks, and storage racks in the bathroom,etc [PILOT DESIGN]: The hole saw drill bit with a pilot bit,which provide positioning function,Prevents the pilot drill bit dislocation during operation [WET AND DRY DUAL USE]: The ceramic drill bit for pots adopts vacuum brazed technology, which can withstand high temperature and can be dry drilled, but in order to prolong the use of the product, we recommend adding a little water during use

ChilternCasa Diamond Core Drill Bits Set (Pack of 2 Pcs) Precision Vacuum Brazed Hole Saws with Pilot Triangle Shank for Effortless Drilling in Ceramic Tile, Glass, Concrete, Porcelain, and Granite.

  Experience professional-grade drilling performance with our premium diamond drill bits for porcelain tile, engineered for durability and accuracy. Each vacuum brazed hole saw features industrial-grade diamonds bonded under high heat, ensuring maximum cutting efficiency and extended lifespan. The integrated pilot triangle shank provides superior stability and control, minimizing slippage and delivering perfectly centered holes every time. Ideal for demanding applications, these diamond hole saw drill bit effortlessly penetrate tough materials like ceramic tile, glass, concrete, porcelain, and granite—making them essential for contractors, DIY enthusiasts, and renovation projects.

Key Features:

  Diamond-Infused Cutting Edge: The concrete hole saw with High-concentration diamond grit ensures rapid, clean cuts with minimal chipping or cracking, perfect for fragile surfaces like glass and porcelain.

  Vacuum Brazed Technology: Advanced bonding process creates a robust, heat-resistant matrix that outperforms standard brazed bits, offering up to 5x longer life and consistent performance in high-temperature drilling.

  Pilot Triangle Shank Design: Engineered for compatibility with most standard drills, the triangular shank locks securely to prevent wobbling, enhancing precision and reducing user fatigue during extended use.

  Multi-Material Versatility: Optimized for drilling into ceramic tile, glass, concrete, porcelain, and granite, with specialized cooling grooves to dissipate heat and prevent overheating on dense surfaces.

  Convenient 2-Piece Pack: Includes two identical diamond core drill bits for backup or dual-project efficiency, packaged in a protective case to maintain sharpness and prevent damage during storage or transport.