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Jingling 1.5mm Diamond Coated Hole Saw Drill Solid Bits Cylindrical Head Grinding Needle Lapidary Carving Tools for Jewelry Pack of 30pcs
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About Jingling 1.5mm Diamond Coated Hole Saw Drill Solid
JINGLING Diamond Coated Hole Saw Drill Solid Bits Cylindrical Head Grinding Needle Lapidary Carving Tools for Jewelry Gems Glass Description: Diamond coated Hole Saw Drill Solid Bits Tip Shape: Cylindrical Head Tip Head Diameter : 1.5 mm Total length : 42mm ( 1-21/32"), can drill 6 mm depth Shank diameter: 2.35mm ( 3/32") Material: Metal, Diamond. The speed of 5000-50000 r/min Can be installed on the electronic grinder, hanging mill and hand electric drill (not included here). Suitable for use in drill hole on Jewelry, Gems, glass, marble, tile or granite. Used for drill hole, sculpturing, precision grinding and internal grinding carbide in ceramic, glass, precious stone, alloy and many other abrasive materials. Use with water as a lubricant Note: carving must use cold water to cool the workpiece and the grinding head polishing, moment also can¡¯t do without water Never use drills while machine is in hammer action.
