5Mm Diamond Coated Concave Grinding Bits 1/4 Inch Shank Mounted Point Burrs Polishing Tools For Bracelet Ring Jade Polishing And Pet Nail File Clippers For Dogs Cats: Industrial & Scientific

SPECIFICATIONThis burr bit diameter is 20mm the side width is 5mm and the #400 grain size is suitable for fine polishing; the diameter of the rod is 6mm which is suitable for flat knitting machines bench drills electric drills etc. ADVANCED TECHNOLOGYThe concave emery grinding head is made of high-quality emery and processed by the overall precision turning (numerical control lathe); the concentricity is accurate and there is no yaw phenomenon so as to ensure the quality of the product and the use effect. ARC DESIGNThe concave arc design diamond grinding bit is especially suitable for the arc grinding of bracelets rings and jade beads; the emery particles are uniform without convex sand and the processed products are more delicate and smooth without unevenness. POWER POLISHING400# Fine sand: Advantages – fine sanding good effect; Disadvantages – low efficiency slow molding non-wearing. It is recommended to use with coarse-grained grinding heads to save raw materials and high work efficiency. APPLICATIONRotary grinding burr bit mainly used for shaping polishing trimming the edges of bracelets rings and jade beads of different widths or polishing the edges after stone processing.