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Superbolt H1215-02157 JackBolt Tensioner
Superbolt H1215-02157 JackBolt Tensioner
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Description:
The Superbolt H1215-02157 JackBolt Tensioner is a multi-jackbolt tensioner component from Superbolt, engineered to apply high preload to large-bolt joints using several jackbolts—reducing the manual torque required compared with conventional nuts. This tensioner is identified by the manufacturer part number H1215-02157 and is listed by distributors as part of the Superbolt jackbolt tensioner family; current catalogs show it as discontinued. MJTs are described as a direct replacement for hex nuts on bolts typically 1 inch and larger, enabling simultaneous tensioning of multiple jackbolts to achieve precise preload levels and reliable joint integrity.
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