【Application】Diamond tile drill bits are worked great for dry and wet drilling holes through hard porcelain tile, ceramic tile, granite, marble, etc. Add water could prolong the lifetime
【Feature】Advanced vacuum brazing technology and high-quality diamond grains provide high efficient working performance, faster drilling speed and longer service life
【Unique Detail】Wax inside the drill bit helpful for cooling and lubrication
【Easy to Operate】Suitable for 5/8"-11 thread angle grinder. Recommended speed 6000RPM, maximum speed 11000RPM. If you want to install the bits on the drill machine, you need an adapter.
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