Multi-level bolt stretcher

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

A single size fits multiple bolt specifications.

Applicable sizes range from M24 to M100 (or 3/4")'-4Super-size galvanized bolts, piston stroke customizable.

The product boasts simplicity and wide applicability, maximizes operational efficiency, is lightweight and agile, and can achieve an accuracy of up to 0.5% on calibration pumps.