Yking - 33 mm Diamond Core Bit - It can be used for both dry and wet drilling. If the bit is used for wet drilling, it will help in prolonging the segment life of the tool. It is specially designed for drilling hard granite, marble, engineering stone, brick, concrete, etc. It is easy to operate and need an adapter for drill. It is suitable for drilling the faucet mounting holes in stone countertops, plumbing lines in showers and vanities.
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