8MILELAKE 12Pcs Diamond Drill Bit Set Diamond Dust Hole Saw Drill Bits Tool Cutter For Glass, Ceramics, Porcelain, Ceramic, Tile

Specification The shank diameters of the Diamond Drill Bits are: The shank diameter of 4mm diamond drill bit is 3.5mm. The shank diameter of 5mm diamond drill bit is 4.5mm. The shank diameters of 6mm and 8mm diamond drill bits are 5.5mm. The shank diameter of 10mm diamond drill bit is 6.5mm. The shank diameters of other diamond drill bits are 8mm. Application: Glass,tiles,stone,wood,granite,ceramic and porcelain Note: Please keep adding water as lubrication when drilling,do not using it on concrete or for depths beyond 1/2" Package Includes: 12pc 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 14 mm, 16 mm, 18 mm, 22 mm, 35 mm, 40 mm, 50 mm drill bits