Shank Width: 2.35mm (3/32"); Compatible with tools that have a 3/32 inch chuck or a variable chuck.
Wide application: strong and wear-resistant, suitable for jade, pearl, shell, crystal lettering and engraving.
High-quality material: high-quality diamond material is selected, it is suitable for long-term use, easy to install and use.
Precautions: Do not use excessive force, the grinding powder is not easy to discharge, and the tools are easily damaged.
Diamond grinding head is ideal tools for drilling stone, glass apparatus, tile, jade carvings,Used for sculpturing, dressing, grinding ceramic, glass, precious stone, alloy carbide .can use them to help smooth out recessed borders on polymer frames after the initial rough cut in
How to use: Keep the drill straight, add water to cool, and drill slowly.Must be used with care, submerged in a little pool of water.NOTE:when engraving make sure to apply light pressure and lubricate and cool the burrs with water. will wear out fast if you apply too much pressure
Head Diameter:1.5mm; The positive tolerance of the head diameter of the grinding bit is 0.1-0.2mm