Dewalt Wet Diamond Porcelain Drill Bits

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Dewalt Wet Porcelain Diamond Drill Bits Various sizes allow drilling holes for towel racks, lights, toilet roll holders, mirrors, shelves, soap dishes, brush holders, and blinds or curtains. Features Drill through porcelain, granite, marble, tile, stone, glass and masonry Vacuum Braze provides the strongest bond between diamond particles and the drilling surface of the drill bit Diamond welded tip for greater life and durability Tested by our staff to drill more than 20 holes in hard porcelain Reverse spiral thread delivers continuous water feed critical for life speed Core ejection slot removes plug for repetitious holes Use wet only Old-fashioned Spear Point carbide bits no longer work on the new type of super-hard floor, counter, and wall tiles. Diamond Drill Bits are the solution All core drills have shaft sizes of 3/8" or less for use in standard drills A hollow bore creates a core that guides the drill Diamond grit edge, no bond to wear-away Slotted edge and reverse thread spiral provide more water into the cut for quicker drilling and extended drill life Heavy-duty, single-piece construction Core ejection slot ensures continuous drilling RPM Range 3/16", 1/4" - 700 to 1,500 Max RPM 5/16", 3/8", 1/2" - 1,200 to 2,000 Max RPM 5/8", 3/4", 1" - 1,200 to 2,500 Max RPM Show more