Specialty Diamond DD220 220 Grit Replacement Diamond Grinding Wheel For 350X, 500X, and 750X Drill Doctors

The 220 grit Specialty Diamond replacement grinding wheel is manufactureed using advanced metallurgical bonding procedures producing a superior embed layer of diamond substrate for longer wear life and finish consistency resulting in uniformed grinding profile and long life. Specialty Diamond replacement diamond grinding wheels are designed for use on Drill Doctor 350X, 500X, and 750X models. Recommended for use on 3/32"- 3/4" drill bits.