4-1/2 Inch (115mm) Diamond Core Drill Bit - Fluted Hole Saw for Granite Quartz Porcelain Tile Marble Concrete, 5/8-11 Thread & 3/8” Hex Shank Adapter, Fit Angle Grinders Drills, Dry/Wet Drilling

Product Name: Vacuum Brazed Diamond Dry Drilling Core Bits Quantity: 1 Piece 115mm (4-1/2Inch) Specification: Diameter: 35mm, Max working depth: 50mm, Diamond height: 15mm, Total Length: 75mm **The Thread of bit is 5/8-Inch-11, Recommended Machine: angle grinder** If you fit them on drill or other machine, you need an adapter, such as SDS, hex, Round plus shank... Application : Dry/wet drilling for porcelain tile, granite, marble, stone, Masonry, brick... Feature: 1. Minimizing any breakage and safe for operator 2. High quality Diamond Grain provide fast and smooth drilling 3. Vacuum Brazed technology provide much longer working life than electroplated technology =========THE END========== Available Diameter: 6mm-152mm(1/6 Inch to 6 Inch). Operation Tips for Vacuum Brazed Diamond Drill core bits 1.Do not use these drill bits with hammer mode 2.Only fit these drill bits on a cord drill, not cordless drill(no enough power) 3.Only for tile drilling not recommend for the material behind the tile 4.For horizontal drilling,just give a gentle pressure For vertical drilling, the weight of the machine will give sufficient pressure 5.Start drilling as per following instructions: 1) Place the drill at a 45 degree angle 2) Drilling till the hole start to form 3) Bring the drill up into upright position 4) Continue to drill and swaying the machine along a circle ABOUT SHDIATOOL: We are a professional Manufacturer & Supplier of diamond tools in China, If you have any needs or questions about our products,please contact us firstly, thanks, we have good After-sales service, better quality and professional suggestions.

• Ultra Sharp & Long-Lasting Vacuum Brazed Diamond:High-tech vacuum brazed diamond coating ensures exceptional sharpness and wear resistance. Supports dry/wet drilling, with 50% longer service life when using coolant (recommended for hard materials)
• Universal Compatibility with Free Adapter:5/8-11 female thread directly fits angle grinders and wet polishers. Comes with a 5/8-11 to 3/8” hex shank adapter, compatible with most drills. Do NOT use hammer mode to avoid damaging the bit
• Perfect for All Hard Materials:Ideal for drilling clean, chip-free holes in granite, quartz, porcelain tile, marble, concrete, bricks, and natural stone. Reduces material waste and cuts working time by 30% compared to regular drill bits
• Fast Drilling & Efficient Chip Removal:Heavy-duty steel body with dual-direction flutes design. Quickly clears debris to prevent clogging, cools the bit and workpiece in real time, and ensures smooth, fast drilling even on the hardest surfaces
• Safe Use & Reliable Customer Support:Dry drilling may generate dust—please wear protective gear (goggles, mask) for safety. 24/7 customer service available: contact us anytime for product issues, replacements, or usage guidance