Dura-Bar Centerless Grinding
Dura-Bar provides precision grinding of bars for demanding-tolerance applications. Many grades and sizes are available from stock. Many others can be custom ordered.
Some benefits of close tolerance bars include:
- Saving or even eliminating machine time
- Sizing for certain collets or bar feed equipment
- Removing the as-cast surface to increase insert life
Capabilities
Size Ranges
| Dimension | Size (in) |
|---|---|
| Min. Diameter | 0.625" (Finished) |
| Max. Diameter | 6.000" (Finished)* |
| Min. Length | 60" |
| Max. Length** | 144" |
* Please contact Dura-Bar if you require larger sizes
**4.000" max. diameter at 144" and 4.001-6.000 diameter max. length 72"
Standard O.D. Tolerances
| Nominal Length | Nominal Diameter | Tolerance |
|---|---|---|
| 72" | 0.625" - 4.000" | 0.010" / -0.000" |
| 72" | 4.001" - 6.000" | 0.015" / -0.000" |
| 144" | 1.000" - 3.000" | 0.010" / -0.000" |
| 144" | 3.001" - 4.000" | 0.015" / -0.000" |
*Please contact Dura-Bar if you require closer tolerance
Dura-Bar Centerless Turning
Dura-Bar provides precision turning of bars for demanding-tolerance applications. Many grades and sizes are available from stock. Many others can be custom ordered.
Some benefits of close tolerance bars include:
- Saving or even eliminating machine time
- Sizing for certain collets or bar feed equipment
- Removing the as-cast surface to increase insert life
We offer a broad range of turning capabilities serving a wide spectrum of customer needs.
Capabilities
Size Ranges
| Dimension | Size (In) |
|---|---|
| Min. Diameter | 1.000" (Finished) |
| Max. Diameter | 5.100" (Finished) |
| Min. Length | 120" |
| Max. Length | 168" |
| Standard O.D. Tolerance | 0.003" / 0.008" |
| Min. O.D. Tolerance | 0.005" |
Please contact Dura-Bar if you require larger sizes