United Centerless Grinding & Thread Rolling

United Centerless Grinding & Thread Rolling Manufacturing

United Centerless Grinding & Thread Rolling is a third-generation shop that’s been operating for more than 60 years, so ...
08/27/2026

United Centerless Grinding & Thread Rolling is a third-generation shop that’s been operating for more than 60 years, so we know something about staying around for the long term. And that’s why we’re always planning for the future.

Most recently, that’s meant focusing on training and talent development. We’ve been sending team members to outside training programs that prepare them to take on greater responsibilities or move into new departments.

They’re excited about the opportunity to advance their careers, and we’re proud to increase the range of skills and experience across our team. By investing in our people, United Centerless stays prepared to move confidently into the future.

Request a quote today from a shop you can be confident will be around for the long term: https://bit.ly/3JRbyTT

This double-threaded stud was blanked on our Swiss screw machines, then thread-rolled in two places. This is a difficult...
08/25/2026

This double-threaded stud was blanked on our Swiss screw machines, then thread-rolled in two places. This is a difficult part to manufacture because it is made from A-286, an age-hardened stainless steel superalloy. But our team regularly handles tough materials in Swiss machining.

Learn more about our Swiss machining: https://bit.ly/3Kqg5fj

When tight corner radii and sharp internal corners are critical, Wire EDM offers an advantage over conventional CNC mach...
08/20/2026

When tight corner radii and sharp internal corners are critical, Wire EDM offers an advantage over conventional CNC machining. Using wire sizes as small as .004”, our Wire EDM process can achieve precise corner details that traditional end mills simply cannot produce.

This level of accuracy is especially important in mold-making applications, where even the smallest gap can lead to leakage during the molding process.

Learn more about our Wire EDM capabilities and how they can support your next project: https://bit.ly/4wLMYtl

To help customers evaluate our fit for their project, we’ve created an FAQ to answer common questions about our capabili...
08/18/2026

To help customers evaluate our fit for their project, we’ve created an FAQ to answer common questions about our capabilities, size ranges, tolerances, and more. Here's an example of a question we answer in the article:

Q: What range of part sizes can you handle?
A: For centerless grinding, United can grind parts up to 5.5 inches in diameter, with very small diameters possible depending on the application.

In bar grinding, we can handle bars up to 30 feet long and up to 1000 pounds.

For thread rolling, we can produce threads from very small sizes (starting at #0) up to 1-1/8 inches in diameter. Length-to-diameter ratio is important, so larger thread diameters may have length limitations. We recommend contacting our team to review the specs if you think your part may be on the high end of the range.

Learn answers to more questions in our FAQ: https://bit.ly/4xmTjLx

Customer feedback means a great deal to our team. Hearing that customers recognize the cleanliness of our facility, the ...
08/13/2026

Customer feedback means a great deal to our team. Hearing that customers recognize the cleanliness of our facility, the professionalism of our staff, and the quality of our work reinforces the standards we strive to maintain every day.

At United Centerless Grinding & Thread Rolling, precision and quality are always the goal, and we are grateful to the customers who trust us with their projects.

Ready to work with a precision manufacturing partner you can count on? Request a quote today: https://bit.ly/3JRbyTT

08/11/2026

At United Centerless Grinding & Thread Rolling, we always want to help customers move into production as easily as possible. But with new customers, it’s important to start the process by answering any questions they have about our capabilities, certifications, and more.

To simplify some of those initial conversations and help you determine whether our shop is a good fit for your project, we’ve compiled answers to some of the most common questions we receive from customers. Read our new FAQ now: https://bit.ly/4xmTjLx

This long, thin component features precision-rolled threads designed for exceptional tensile, shear, and fatigue strengt...
08/06/2026

This long, thin component features precision-rolled threads designed for exceptional tensile, shear, and fatigue strength. Unlike cut threads, thread rolling forms the material to create stronger, more durable threads.

Our thread rolling capabilities support both standard and metric pitches, sizes from number 0 up to one and one-eighth inches, J form and left-hand threads, knurling, and even parts requiring destructive lab testing.

Request a quote today to learn how our thread rolling expertise can support your next project: https://bit.ly/3JRbyTT

Getting a quote should be simple. Our easy-to-use RFQ portal makes it fast and convenient to upload prints, share projec...
08/04/2026

Getting a quote should be simple. Our easy-to-use RFQ portal makes it fast and convenient to upload prints, share project details, and connect directly with our team for accurate pricing and quick turnaround times.

Whether you need centerless grinding, thread rolling, Wire EDM, or Swiss machining services, we are ready to help move your project forward.

Request a quote today: https://bit.ly/3JRbyTT

Tapered parts can be difficult to machine accurately, especially when tight tolerances and surface finish both matter. T...
07/30/2026

Tapered parts can be difficult to machine accurately, especially when tight tolerances and surface finish both matter. That is where precision centerless grinding stands apart.

From improved concentricity and repeatability to better surface finishes and higher production efficiency, centerless grinding offers several key advantages for tapered components across demanding industries.

Read our blog to explore 5 benefits of precision centerless grinding for tapered parts:
https://bit.ly/3LyiC7g

At United Centerless Grinding & Thread Rolling, our capabilities support a wide range of industries. We’re AS9100D-certi...
07/28/2026

At United Centerless Grinding & Thread Rolling, our capabilities support a wide range of industries. We’re AS9100D-certified to serve aerospace partners, and we’re also proud to support customers in the automotive, medical, military/defense, marine, and commercial sectors.

Request a quote today to see what we can do for your next project: https://bit.ly/3JRbyTT

Address

25 Rosenthal Street
East Hartford, CT
06108

Opening Hours

Monday 6am - 3:30pm
Tuesday 6am - 3:30pm
Wednesday 6am - 3:30pm
Thursday 6am - 3:30pm
Friday 6am - 2:30pm

Telephone

(860) 289-2987

Website

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