0.8mm-8mm Oval Diamond Burr Grinding Engraving Drill Bit Rotary Tool Die Grinder Description: High quality oval diamond burr Size(head diameter): 0.8mm, 1mm, 1.2mm, 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm. Shank diameter: 2.35mm or 3mm(1/8'') Electroplated oval diamond grinding, it is a deal correction tool for processing of various molds, glass instruments, and jade carving. Use with hanging mill, electric mill, engraving machines, electric machinery. Mainly used to grinding and engraving glass, jade, repair abrasive and other hard objects.
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