Carbide Bur Usage Data
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GENERAL BUR APPLICATIONS
Materials |
Doublecut |
Singlecut |
Alumacut |
Diamondcut |
Chipbreak |
Aluminum |
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Brass, Bronze, Copper |
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Fiberglass |
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Cast Iron |
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Plastics |
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Steel, 40-55rc |
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Steel, 55-60rc |
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Steel, carbon |
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Steel nickle, chrome |
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Steel stainless |
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Steel weldments |
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Titanium |
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Zinc |
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 = Okay to Use
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 |
| 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 |
| 1” Carbide Head Brazed to 1/4 or 6mm Steel Shank |
12,000-18,000 |
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