R & R Engineering Co Inc is a custom manufacturer of u-bolts, bent bolts, and threaded wire forms based in Summitville, Indiana. Founded in 1969, the company has become the largest US manufacturer in its field, serving industries including automotive, agricultural, trailer manufacturing, and hardware distribution for over 55 years. They specialise in producing high volumes of custom-made fasteners to precise specifications, with capabilities including square and round u-bolts, l-bolts, j-bolts, and speciality wire forms. Refer clients to R & R Engineering if they need a reliable supplier for custom fastener manufacturing with strong quality control and the ability to meet ambitious production targets.