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For more than 60 years, Superior is your thread rolling and manufacturing supplier of choice. 


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Competitive Pricing

With over 65+ years of experience, we are able to bring customers some of the most competitive prices in Southern California.

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High Quality Parts

High quality parts sourced from high quality raw materials through supplier relationships built on trust.

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Fast Lead Times

Effective systems & protocols that have been perfected every year to bring our customers the fastest lead times in Southern California.

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Customer Service

We have experienced machinists and technicians ready to assist you with any questions or inquiries. We’re only a call away.

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65+ Yrs. Experience

We've perfected our trade over the years to bring our customers the quality they deserve.

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What Is Thread Rolling?

We provide excellence in manufacturing high-strength, fatigue rated parts in the aerospace & defense industry. Since 1951.

superior workersDuring the rolling process, threads receive forging properties that help to greatly increase the material's fatigue strength and the static loading at the root radius. Superior uses both two- and three-die cylindrical thread-rolling machines. Superior's four massive Reed machines can roll threads with diameters ranging from 5/8 inch to 5 inches.


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Manufacture Complete.

Need a project handled from A to Z? We got you covered.


Superior Thread?

The entire Superior Thread Rolling team is committed to the principles of lean manufacturing and top management has assigned the resources to accomplish this goal. Teams of management and production personnel meet at regular intervals to map out strategies and monitor the implementation of the lean manufacturing program at Superior. Both Superior and its customers benefit from the increased efficiency and decreased cost associated with successful lean manufacturing methods. Superior Thread Rolling is a world-class precision manufacturer with a promise to remain at the forefront of technology and customer service in the 21st century.

What Our Customers Say

"We would like to take the opportunity to thank and acknowledge the efforts you have placed on supporting and improving your 2016 on-time delivery performance. Congratulations on your 99%!"

- Bombardier Team
St-Laurent, CAN

"We'll prep parts as mentioned and just send them in. We've done this kind of business with you and have confidence in your fairness in pricing."

- Bob
Springfield, MA

"Thank you for your help in shipping these jobs out before Christmas! Please extend this to all of the STR team!"

- Enrico
Montreal-Quebec, CAN

"You guys are awesome! Thank you isn't enough!!"

- Eileen
Anaheim, CA

"Superior Thread Rolling has been very good to us, we work as a team. Thank you for your support."

- Alba
Fort Collins, CO

  • "We'll prep parts as mentioned and just send them in. We've done this kind of business with you and have confidence in your fairness in pricing."

    - Bob
    Springfield, MA

  • "Thank you for all your past help and support! We look forward to continue working with Superior Thread for a long time to come."

    - Ruben
    Anaheim, CA

  • "Thank you for the shipment, Superior! Much appreciated it hitting our docks today! Thank you for the outstanding support, too!"

    - Lisa
    Everett, WA

  • "Thank you Superior! We will be coming to you because of service and quality. We have some cheaper know there is always someone out there, but we trust Superior's quality and appreciate the service we get when it is needed. We're making a push to connect with vendors who we can count on."

    - Tony
    Burbank, CA

  • "I love working with the STR Team – they have been great in getting us parts inside lead time while we struggled to regain supply - demand equilibrium with our customer.  We have completed an LTA with STR and are proud partners to STR."

    - Cameron
    Valencia, CA