Diamond Coated Burr Mounted Point 1/4 Inch Shank

This burr bit diameter is 20mm, the diameter of the rod is 6mm, which is suitable for flat knitting machines, bench drills, electric drills, etc.

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.

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.

400 fine sand: Advantages – It is recommended to use it with a fine-grained grinding bits for high work efficiency.

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.

Product Parameters:

Product Name: diamond grinding head

Material: diamond coated, steel substrate

Feature: with shank;

Application: glass, jade, ceramics, bracelets,rings, beads,