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Large Stud Diameter

Large Stud Diameter Tensioners

Hydraulic tensioning is the ideal method for tightening bolted connections. Hydraulic tensioning eliminates inaccuracies and helps achieve correct bolt loading in critical connections. At HTI, we’ve been building hydraulic tensioners and nuts since 1986.

HTI's standard tensioners are made for studs up to 4" / M100 in diameter.  HTI also makes tensioners (and hydraulic nuts) for stud diameter larger than 4" / M100.  Our largest application to date has been for a M425 (16.7") buttress-thread stud.

A typical application for very large stud diameter tensioners is on a large forging press.

As with all of HTI’s tensioners, our large stud diameter tensioners feature trouble-free, no-leak, ultra-reliable, lo-friction seals, an overstroke indicator, and a fail-safe overstroke protection design, and are available in a variety of finishes.

If you have a bolt tensioning application for a large stud size, we can design a tensioner to fit your exact specification, including vertically or radially limited applications.

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Stud tensioner for an M425 (16.7

Stud tensioner for a 16.4" diameter stud

Custom Engineered Tensioners Since 1986

HTI has been designing engineered solutions to your toughest bolt tensioning problems since 1986! You can choose from one of our standard catalog sizes above, or we can design a custom fixed tensioner for any application when a standard model won’t work. HTI tensioners can be designed for imperial or metric-sized studs, high loads, high temperatures, large stud sizes, or corrosive environments. Our multi-unit tensioning systems can make easy work of large bolted systems, and our automated tensioning systems can reduce labor and increase throughput in high-volume manufacturing applications. 

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If you have questions, comments, would like more information about our products, or want to get started designing your custom tensioning solution, please contact us and we will respond promptly.