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About James Walker RotaBolt

We are world leaders in bolted joint technology and tension control.

The design of the RotaBolt® is unique, our built-in technology guarantees the integrity of bolted joint applications and in critical locations, it can be life saving.

RotaBolts are safe, cost effective and easy to use. They are setting new standards across a wide variety of industries:

ConstructionMilitaryRail transportWind










The RotaBolt® range provides you with either finger-tip, visual or remote measurement of tension throughout the life of bolted joints - it is the tension across a bolted joint that is critical to ensuring reliability and safety.