Feature(may vary by option.)

●【Diamond Hole Drill Bit Size】Dry diamond core drill bits kit size included:10pc-6mm hole diameter drill bits with 1/4 Hex Shank,length is 65mm.
●【Dry Drilling Design】Diamond drill bits built-in wax lubricant that can melt and cool the cutting surface 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:Granite,Tile,Glass,Marble,Brick,Stone,etc.
●【1/4 Hex Shank】Drill bits are hex shank 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

[10PC  & 6mm]




[5PC  & 6-12mm]





Description

Diamond drill bitsDiamond drill bits
Diamond drill bitsDiamond drill bits
Diamond drill bitsDiamond drill bits