... workshops: 1. Workshop 1: diamond electroplated products: diamond burrs, diamond files, diamond stone sharpeners, diamond electroplated cutting discs, diamond ... 2. Workshop 2: tungsten carbide burrs: inch size and metric size, all standard rotary burrs 3. Workshop 3: diamond wet soft ... dies, taps, hss or carbide end mills, counter sinks, step drills, cobalt drills, hobs, reamers, etc. We have 18 ...