描述
- ▲【SPECIFICATION】This burr bit diameter is 20mm, the side width is 3mm, and the #150 grain size is suitable for rough polishing; the diameter of the rod is 6mm, which is suitable for flat knitting machines, bench drills, electric drills, etc. ▲【ADVANCED TECHNOLOGY】The 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 DESIGN】The 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 POLISHING】150# Coarse sand: Advantages - High grinding efficiency, quick shaping and wear resistance. Disadvantages - The grinding surface is relatively rough. It is recommended to use it with a fine-grained grinding bits for high work efficiency. ▲【APPLICATION】Rotary 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.
BAINUOConcave 3mm Diamond Grinding Burr Drill Bit Rotary Tool Kit 1/4 Inch Shank Concave Polishing Burr Bits #150 for Bracelet Ring Jade Carving Polishing
