(727) 726-5336 • sales@mastercuttool.com
General Bur Applications
| Materials | Doublecut | Singlecut | Alumacut | Diamond Cut | Chipbreaker |
| Aluminum | |||||
| Brass, Bronze, Copper | |||||
| Fiberglass | |||||
| Cast Iron | |||||
| Plastics | |||||
| Steel 40-55rc | |||||
| Steel 55-60rc | |||||
| Steel, Carbon | |||||
| Steel Nickle, Chrome | |||||
| Steel, Stainless | |||||
| Steel Weldments | |||||
| Titanium | |||||
| Zinc |
The following chart is a general and approximate recommendation. Variations to achieve desired results may be necessary. Long shank burs should be used at reduced speeds.
General Bur Speed Recommendations
| Bur Diameter | RPM |
| 1/8 or 3mm Solid Carbide | 45,000-50,000 |
| 3/16 Solid Carbide | 35,000-40,000 |
| 3/16 Carbide Head Brazed to 1/8 or 3mm Steel Shank | 30,000-35,000 |
| 1/4 or 6mm Solid Carbide | 30,000-35,000 |
| 1/4 Carbide Head Brazed to 1/8 or 3mm Steel Shank | 25,000-30,000 |
| 5/16 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 25,000-30,000 |
| 3/8 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 25,000-30,000 |
| 7/16 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 20,000-25,000 |
| 1/2 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 20,000-25,000 |
| 5/8 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 15,000-20,000 |
| 3/4 Carbide Head Brazed to 1/4 or 6mm Steel Shank | 15,000-20,000 |
| 1in Carbide Head Brazed to 1/4 or 6mm Steel Shank | 12,000-18,000 |
Mastercut Tool Corp. (c) 2021