Precision Grinding


Precision Grinding

Darmann makes specialized wheels utilized in internal grinding, flat finishing and spherical finishing operations. Our products are utilized in applications that require a precise surface finish and exact part geometry.


These wheels are used in the manufacturing of precision fuel injection parts, hip implants and gears. A broad range of abrasives and wheel types are available including:

  • Product Types
  • Internal grinding wheels
  • Bore and race grinding wheels
  • Miniature wheels
  • Spindle and quill mounter superabrasive wheels
  • Conventional mounted wheels
  • Cylinder wheels
  • One-piece and mounted conventional cup wheels
  • Continuous rim superabrasive wheels

We manufacture resin and vitrified bonded wheels with a full range of features including convex, concave and complex radii, holes, slots and angles. We have made miniature wheels (2mm ODs) and sub-micron diamond wheels.