About

Leading the fastener industry for over 50 years

R&R Engineering Company is a custom manufacturer of U-bolts and threaded wire forms established in 1969 in Summitville, Indiana. Founded by Ralph Amos, it was his goal to become the most modern, competitive, and efficient manufacturer of bent bolts in the United States. With a focus on quality, price, delivery, and customer service, R&R has been serving its customers for over 50 years.

One of the keys to R&R’s success is the company’s investment in cutting-edge equipment and technology that enables production of high volumes of square, round, and custom U-bolts quickly and accurately. By continuously improving operations, R&R has been able to tighten tolerances to help produce custom U-bolts, L-bolts, and J-bolts which can be used in a wide range of applications.

Family-run with a personal approach to delivering quality threaded products

Our why

MISSION: Quality Controlled Craftsmanship

VISION: To be the most modern and efficient manufacturer of bent bolts and threaded wire forms.

R&R can tailor products to suit your specific requirements, meeting your production targets no matter how ambitious they might be. Unlike some manufacturers who have only a few planetary machines, R&R has over 90. Additionally, R&R also has several dozen wire cutting machines, bending machines, and other specialist components to help make custom U-bolts. R&R is able to run a continuous production process that can produce an enormous number of your parts.

Industries served

  • Agricultural 

  • Aftermarket Automotive lifts

  • Fastener Distributors

  • Hardware Distributors

  • OEM (Original Equipment Manufacturers)

  • RV Industry

  • Strut Hardware

  • Trailer Industry

  • Truck Body Manufacturers

Looking for a supplier for your fastener needs?

Experience quality-controlled craftsmanship