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

Dura-Bar Centerless Grinding

Capabilities

Size Ranges

DimensionSize (in)
Min. Diameter0.625" (Finished)
Max. Diameter6.000" (Finished)*
Min. Length60"
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 LengthNominal DiameterTolerance
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.

Dura-Bar Centerless Turning Equipment

Capabilities

Size Ranges

DimensionSize (In)
Min. Diameter1.000" (Finished)
Max. Diameter5.100" (Finished)
Min. Length120"
Max. Length168"
Standard O.D. Tolerance0.003" / 0.008"
Min. O.D. Tolerance0.005"

Please contact Dura-Bar if you require larger sizes