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1piece Diamond Grinding Bits Concave Head, 12mm Diamond Coated Burr Mounted Point 1/4 Shank Bracelet Ring Jade Carving Rotary Tool Accessories Grit 150

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Product details

Management number 218789488 Release Date 2026/05/03 List Price US$3.42 Model Number 218789488
Category
  • ▲【SPECIFICATION】This burr bit diameter is 20mm, the side width is 12mm, 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.
Item Weight 1.04 ounces
Manufacturer NUODUN
Product Dimensions 1.97 x 1.57 x 0.79 inches

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