For Difficult-to-Grind Steels.Type 12 For Tool & Cutter Grinders (Dish). Rim 3/8, Back 5/16 J=3 K=3. Application: The best choice for grinding various tool steels. Medalist has the versatility to grind easy to difficult-to-grind steels.Use VL bond for general purpose applications or medium contact areas. Use VLP bond on wide contact areas where heat is an issue. Key Operating Tips for Maximizing Grinding Performance with Medalist Wheels. Change one parameter at a time. Increase infeed 50%. Increase traverse rate 25%. Reduce dressing infeed 25%.
