High Quality Ball Round Diamond Burr 

Shape: Ball Round

Head Diameter: 0.5mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 2mm, 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm 

Shank Diameter: 2.35mm / 3mm / 4mm  

Fit most professional electric drills, best for replace nail drill bits 

Can be used to various applications including carving, grinding and etching on a variety materials.

Feature: 

Electroplated ball diamond burr, 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. 

Diamond bits are favored for use with glass, tile, stone and hardened metals 

Suitable for carving, engraving, forming, drilling and filing/material removal