Easy, fast and reliable assembly of large bolted joints

High preload force due to torsion-free assembly

Controlled friction characteristics ensure the highest tightening and repeat accuracy

Losses from settlement of the joint do not occur and full capacity of the joint is achieved

Tension nuts and reaction nuts are compatible with common strength classes according to ISO 898-2

Can be re-used several times

Standard available from M20-M120 strength class 8 and M20-M90 strength class 10

Other strength classes, bolt sizes, thread types and thread pitches are available on request