BAMILL 4pcs 6/8/10/12mm Diamond Dry Drill Bit Holesaw 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: *Material: Diamond *Color: Black *Hole dirll size: 6/8/10/12mm *Shank: 6.35mm Hexagon Shank *Diamond Length: 10mm *With cooling wax *Application: For drilling granite & marble masonry concrete tile/ceramic glass hard plastic..... *Quantity: 4pcs Package Includes: 4 x Drill Bits (6/8/10/12mm) Note: 1. 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. 2. Please allow slight manual measurement deviation for the data.