Fasteners & Hardware >. Wire/Cable & Accessories >. Heat Shrink Tubing >. Pipe and Fittings >. Abrasives & Tool >. Fumiture Parts & Fasteners >. Diamond Core Hole Saw ø 6-60 mm Drill Bit Marble Ceramic for M10 Angle Grinder. Name:Hole Saw Drill Bit. Size:6mm 8mm 10mm 12mm 14mm 16mm 18mm 20mm 22mm 25mm 28mm 30mm 32mm 35mm 40mm 45mm 50mm 55mm 60mm. Cooling with Water Is Required Throughout Use. The Cutter Head Is Made of High-quality Diamond Powder Plating, Which Provides High Hardness, Sharpness, and Durability. The Sharp Cutter Head Reduces Opening Resistance, Making It Easier to Remove Chips and Resulting in Fast and Neat Cutting Without Burrs. The Chip Removal Holes Are Designed for Fast Heat Dissipation, Preventing Jamming and Ensuring Stable Drilling Without Any Vibration. Suitable for Opening Holes in Stone, Tile, Marble, Granite. This Product Is Compatible with Angle Grinders and Can Also Be Used with Electric Drills and Bench Drills When the Connecting Rod Is Attached. All Dimensions Are Measured by Hand, There May Be Small Deviations. Light Shooting and Different Displays May Cause the Color of the Item in the Picture a Little Different from the Real Thing. According to Your Choose. If You Are Not Satisfied with the Item, Please Contact with Us. Any Problem, Please Feel Free to Contact with Us. Iwe Care About Our Valued Buyers, If You Have Any Questions, Our Customer Service Staffs Will Be Very Glad to Help You. We Try Our Best to Reply to Your Emails As Soon As Possible, However, Due to High Volume of Daily Incoming Emails and Time Zone Difference, We May Not Be Able to Reply Your Emails Immediately.