50pcs Diamond Grinding Head Set Dia 1/8" Shank Spherical Head Rotary Tool OD 73.1mm to ID 60.1mm OE Number:4666139AA

OE Number:4666139AA

OE Number: 5L1Z-14529-BA

8mm / 2''(L)

OE Number: D11B-67-395

50pcs Diamond Grinding Head Set Dia 1/8" Shank Spherical Head Rotary Tool OD 73.1mm to ID 60.1mm OE Number:4666139AADiamond coated grinding bit, spherical shape grinder head, high strength, and good coaxiality. Made of carbide and the diamond coated grinding head, higher wear resistance, and durable use. This grinding drill bit is suitable for quickly cutting, sharpening, deburring, grinding, rust polishing, carving, and repairing. Good grinding tool for the rough grinding surface of materials such as jade, ceramic, glass, wood, marble, and precious stone. The