Welcome To Our Store. Diamond Hole Saw 6mm – 75mm Drill Core Bit Tile Ceramic Porcelain Stone Marble. Product Name: Hole Saw? Materials: HSS? Color: Orange Red? Diameter: 675mm? Shank: 10mm. These Hole Saws Are Made Of High-Quality Diamond With Extremely High Hardness And Wear Resistance, Which Can Effectively Cut Hard Materials Such As Sintered Marble. A Wide Range Of Sizes Are Available To Suit Different Opening Needs And Size Requirements. Coolant Is Usually Required For Use To Prevent Overheating Of The Material And The Hole Opener, Which Can Affect The Machining Effect And Tool Life. These Hole Saws A Tool Specially Designed To Perform Hole Cutting Operations On Hard Materials Such As Sintered Marble, With Features Including High Hardness Materials, Sharp Cutting Edges, A Variety Of Shapes And Sizes, Cooling Design, High Precision, Durability, And Vibration-Resistant Design. The Sintered Marble Hole Opener Is Widely Used In Many Fields Such As Architectural Decoration, Furniture Manufacturing, Kitchen And Bathroom Decoration, Artistic Sculpture, Etc. It Can Efficiently And Accurately Complete A Variety Of Hole-Opening Tasks To Meet Different Processing Needs. Ide range of this month’s promotions Shop now. We Pride Ourselves On Offering Quality And Reliable Products. You Will Enjoy A Fast, Efficient And Friendly Service As Well As Great Prices On A Wide Range Of Products. All Products Are Brand New And Sealed. With A Wide Range Of Items To Choose From, Please Feel Free To Select The Product That Meets Your Needs. All products in our store are elaborately made. We care about our valued buyers, if you have any questions, our Customer Service staff will be very glad to help you. We try our best to reply to your emails as soon as possible, however, due to the high volume of daily incoming emails and time zone difference, we may not be able to reply to your emails immediately. Please contact me before you return it. Feedback is very important to us. For the functional products in our shop, we make sure that the functions are the same as the description. About the product colour:Because of the different light and environment when the product is photographed, In a few instances the colour of the product may have a little colour difference with the actual colour of the product, I hope you can understand.