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18mm Diamond Shell Core Drill Bit, Nickle Coated at Rs 400/piece in Meerut
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Amazon.com: uxcell Diamond Drill Bit 18mm Glass Hole Saw Core Drill Bit with Spotting Drill Bit for Ceramics Porcelain Tile Bottles Pots Brick : Tools & Home Improvement
7pcs 6-18mm/10-100mm Diamond Coated Hss Drill Bit Set Tile Marble Glass Ceramic Hole Saw open Drilling Bits Diamond Core Bit - AliExpress
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