Size:67mm JINGLING Diamond Coated Lapidary Super-thin Drill Bit Hole Saw 0.7 mm Rim for Jewelry Gem Hole Diameter 67 mm Color Silver Produce Name: Gemstone Drill Bits, Jewelry Drill Bits Type: Hole Cutter Hole Diameter: 67mm Quantity: 1 Piece Product Description 1.The super-thin Electroplated diamond drill bits are one of the finest drill bit manufactured for Hobby, Lapidary, Glass applications. 2.This diamond drill bit will perform well on drilling just about any kind of rock From the very soft Petoskey Stone fossils to hard jasper and agate, and so on precious materials.Especially suitable for use on hard lapidary materials like agate, jasper, petrified wood and geodes. 3.Apply to drilling the ceramics and glass widely For example: the glass of watch, optical glass, super-thin glass, architecture glass, automobile glass, LCD glass, quartz glass etc. Product advantages Diamond drill bit very thin, can reduce material consumption maximize: The thickness of the drill bit’s rim is only 0.7mm, the material of Processed aren’t damaged during drilling process, save material for high value jade, agate, jasper, petrified wood and geodes. A very good cost effective option for those that want very thin kerfs Hole drilling high precision: The rim of drill bits are very smooth and thin to meet the most exacting faceting requirements. Neat, smooth, no broken edge. High drilling efficiency: Quick Tips 1. Water or coolant must always be used to cool and lubricate the tip. 2. The bit is suitable for use in bench drill, electric drill or rotary tool, recommended to be used in bench drill. Welcome to Visit Our Store: www..com/shops/DiamondTools30
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