Diamond Drill Bit Hole Saw Tool for Hard Ceramic Marble Glass Stone(30mm)

1、Paint on the body of this bit avoids getting rusty 2、Opening neat and smooth no broken edges no shaking and chip easily 3、Small incision resistance drilling stably and will not break the border 4、Mainly used for drilling ceramic tile marble granite concrete and other hard material 5、Ideal for drilling the faucet mounting holes in stone counter top