Multi-level bolt tensioner

　　Innovative dual-end interface design ensures that multiple stretchers can operate simultaneously in series or parallel, reducing the number of oil lines and saving costs.

One size fits multiple bolt specifications.

Applicable sizes range from M24 to M100 (or 3/4")'-4Our oversized zinc-plated bolts, with customizable piston stroke.

The product is simple to use and widely applicable, maximizing efficiency, lightweight and agile, with an accuracy of up to 0.5% on the calibration pump.