6-16mm Vacuum Brazed Diamond Dry Drill Bits Hole Saw Cutter for Granite Marble Ceramic Tile Glass

Specification: Hole dirll size: 6/8/10/12/14/16mm Material: Diamond Shank: 6.35mm Hexagon Shank Diamond Length: 10mm With cooling wax Application: For drilling granite & marble, masonry, concrete, tile/ceramic, glass, hard plastic..... 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 2000 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. Package Included: 1 x Drill Bit