Diamond Coated Grinding Bits
- The shank of 1/8" diameter can be installed on most rotary tools or electric grinders.
- The grinding head is made of diamond particles with a rougher surface, uniform sand, thick and durable, wear resistance, high hardness, and impact resistance.
- Lightweight, small size, easy to carry, this set of diamond drill bit can provide convenience for your engraving work.
- This Diamond grinding set has different grinding bits for carving, abrasive, polishing, and etching, very practical and easy to use.
- Diamond drill bits can be grinding small hard objects such as stone, metal, hardwood, ceramics, marble, glass, and other materials.