1pc 5-16mm Diamond Dry Drill Bit Hole Saw Cut Marble Granite Tile Porcelain

Feature: *Wax inside for cooling Dry drilling without water. *Very high efficiency multi-purpose drilling. *Long life drilling. *Attention: When using brazed diamond hole saw the speed of the electric tool should not be lower than 2400 rpm/min The faster the speed the better the effect.the hole saw should not be pressed down very hard otherwise it is easy to damage the hole saw. Specification: Product name: Drill Core Bit Material: Diamond Color: Silver Shank: Round Shank Diamond Length: 7-8mm Total Length: (Approx. ) 65mm With cooling wax Optional Hole dirll size: 5mm 6mm 8mm 10mm 12mm 14mm 16mm Application: For drilling granite & marble masonry concrete tile/ceramic glass hard plastic..... Quantity: 1pc Package Includes: 1 × Drill Core Bit Note: 1.Transition: 1cm=10mm=0.39inch. 2. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 3. Please allow slight manual measurement deviation for the data.