Round bar processing is the backbone of our business. We also realize the value in timely availability to maximize the production process for our customers. That is just one of the reasons we are pleased to introduce to the marketplace TC Prime, a proprietary line of highly precise ground bars with immediate off-the-shelf availability. All other materials can be sourced and produced to meet your specific needs. We will strive to source the best product to maximize your resources and minimize processing time.

TC Prime

We are proud to present TC Prime, a Tulsa Centerless’ original product line. Our reputation in the industry for exceptional quality centerless ground bar has led us to this natural progression. This product was specifically designed to offer a precise centerless ground bar with a quick delivery. We partner with superior quality mills to maximize finished product characteristics. Consistency in diameter and straightness are hallmarks of our quality processes.

TC Prime is a high precision, centerless ground bar for the most demanding applications. Typically used in Swiss and screw machining industries and other machining applications where an ultra-precise diameter and straightness is required.


  • Enhanced machineability
  • Heightened tool life
  • Increase in cutting speeds and lessen vibration
  • Superior end product surface finish
  • Chamfered ends for ease in bar feeding
  • Consistency in production and quality

Dimensional characteristics:

Lengths:           12 ft bars                                                                                 ISO Certification:

Diameters:        .500 to 1.000

Dia Tolerance:   +/-.0005

Ovality:             ½ diameter tolerance

Straightness:     up to .0015 tir/ft

Surface Finish:  up to 16 rms

Chamfer:          Both ends

Material inventory:

Type 303, 316 and 416 Stainless.

Customer Centric Approach:

  • Tolerances can be adjusted to meet precise needs.
  • With our ISO Certification, attention to quality is emphasized in every process and documented for assurance.
  • Our sales and production teams give special care to assure the lowest cost and quickest turnaround. Grinding services also available for customer supplied material and stocking programs specifically designed for your production demands.
  • Quotes are available upon request for both material and delivery. We would be glad to look at stocking to meet your specific needs.
  • Custom packaging options available.

All Other Materials

We believe good purchasing practices are an essential part of our success. We have worked to develop and maintain solid relationships with both distributors and mills in order to streamline your process. We can source material and process to your exacting specifications.

Ready to get started?

We partner daily with metal distributors and mills to bring value to the end product. This partnership gives us an advantage in vendor quality, processing experience and pricing standards. Put our expertise to work for you.

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