5 Packs Dry Diamond Drill Bits Set 5/16" 8mm Vacuum Brazed Diamond Hole Saws for Granite Tile Ceramic Marble Stone Glass and More Hard Materials (not for Wood), Round Shank with Storage Case
5/16" Diamond Dry Core Bits - Set of 5 Packs 8mm Diamond Hole Saws for fast holes drilling most tough materials, Porcelain, Tile, Granite, Concrete, Ceramic, Marble, Stone, Glass, Brick.
Cut Holes Like a Professional ??Porcelain and Tile Diamond Bits able to cut through porcelain tile smoothly with minimum risk of cracking or chipping, expensive delicate materials friendly.
Dry Drilling Hollow bits ??These 8mm diamond coated hollow bits are filled with Wax inside, which will cool the bit while dry drilling; it also can enlarge holes with the side of the drill bit.
Decent Diamond Core Bits - ideal for drilling holes in bathroom tiles to install shower doors, install water filter in kitchen, as well as hobby projects in plant pots, vases or glass bottles.
Precise in Details ??Each Core drill bits engraved with Depth mark useful for precise projects; 5/16" Round Shank compatible with most hand-held drills, stand drill press; 1 YEAR warranty.
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