【Application】Dry drilling and Milling for porcelain tile, granite, marble, stone, Masonry, brick... Wet drilling/milling can prolong the service life
【MULTI-PURPOSE】 This diamond drill bits is designed for Drilling a hole or Bevelling, Enlarging, Grinding and Polishing the exsit holes or shaping edge f materials
【Features】Fast and smooth drilling and Milling,long lifetime,less chipping.wax inside to cool the bit while dry drilling perfect for jobs where water is not applicable
【Machine】Recommended RPM is 6000; Maximum RPM is 11000,Widely used in Angle Grinder
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