Nord-Lock Group About Superbolt Products Load-Sensing Flexnut Downloads

Superbolt was the world’s first to revolutionize nuts and bolts with multi-jackbolt tensioning (MJT) technology. Our technology has been proven in tens of thousands of successful installations and we continue to develop a multitude of solutions to solve the next generation of bolting challenges.


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Superbolt product range

Superbolt Superbolt NXT Multi-Jackbolt Tensioners Expect 30% faster installments with the world's easiest-to-use multi-jackbolt tensioner Read more
Superbolt mechanical tensioners are quick to install and remove Superbolt Superbolt Multi-Jackbolt Tensioners Replace or retrofit existing bolts to safely achieve accurate preload Read more
Flexnuts are reactive nuts designed to be used with Superbolt tensioners for through-hole applications Superbolt Superbolt Flexnuts Help relieve stress concentrations and increase fatigue life of the bolt or stud Read more
Superbolt EzFit expansion bolts are designed for couplings that require bolts to transfer forces in shear Superbolt Superbolt EzFit For rotating couplings that require bolts to transfer forces to shear Read more
Superbolt Superbolt HyFit Hydraulically actuated, truly fitted, expanding coupling bolt Read more
Superbolt Superbolt Tool Apply torque fast and accurately to multiple jackbolts Read more
Superbolt Superbolt Load-Sensing Tensioner Tensioner with built-in preload monitoring system Read more
Superbolt Superbolt Load-Sensing Flexnut Use built-in sensors to automatically measure and communicate preload values for remote monitoring Read more
Custom designed Superbolt solutions for your unique bolting requirements Superbolt Superbolt Customized Solutions Custom designed bolting solutions for your unique application requirements Read more

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