20 Pieces Diamond Burr Tool 1mm, 1.5mm, 2mm, 2.5mm Shank Diamond Coated Burr Tool High Hardness Rotary Grinding Bits

If you work on glass, resin, beads, or small decorative materials, this 20-piece diamond burr tool set gives you a practical range of sizes without cluttering your workspace. With 5 pieces each in 1.0 mm, 1.5 mm, 2.0 mm, and 2.5 mm, it is easy to choose the right bit for a delicate project and keep moving without constant swapping.

As a rotary tool-compatible rotary bit set, it is designed for users who want a secure fit and stable handling during detailed work. The included 4 brass collets help the diamond burr bit shafts sit properly in compatible tools, which supports smoother control when you are tiny openings or working repetitive craft pieces.

The 120-grit diamond coating is built for and engraving, helping chipping on fragile materials while giving cleaner results. With corresponding head and shank dimensions across the four sizes, this tool accessory is especially useful when you need consistent holes for pendants, ornaments, or custom jewelry. Whether you are finishing a small studio project or making several matching pieces at home, it offers the versatility and accuracy that careful makers appreciate.