reamhome 10Pcs Diamond Drill Bits,6mm Dry Diamond Core Drill Bit Set for Ceramic,Tile,Glass,Marble,Brick,Stone

[Diamond Hole Drill Bit Size] Dry diamond core drill bits kit size included:10pc-6mm hole diameter drill bits with 1/4 Hex ,length is 65mm. [Dry Drilling] Design that can melt and cool the cutting during dry drilling,you can also use water as an additional coolant to extend the life of the drill bits. [Wide Application] Diamond hole saw set have wide application,you can use them to drill holes for your ceramic pots,also can use in different hard material such as:,Tile,Glass,Marble,Brick,Stone,etc. [1/4 Hex ] Drill bits are hex design that is more suitable for electric drill chuck,not easy to slip when working,improve work efficiency. [Friendly Reminder] In order to improve the service life of the drill,it is recommended to open the small moon pressure groove on the item at a 45 degree Angle during the whole high-speed process, and then slowly erect the drill to 90 degrees, Manufacturer: reamhome