Joint Guide
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Stud bolts
Superbolt tensioners used on studs into blind tapped holes. Tightening in pure tension means studs will not gall in the tapped hole and can be easily removed.
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Through-holes
Common application of double ended studs use Superbolt tensioners and a reaction nut on the other end. Flexnuts add elasticity to the stud, increasing fatigue life.
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Tapped holes
Superbolt tensioners are often used into blind tapped holes. Tensioners' bolt heads are more compact and fit into tighter areas; additionally, they also reduce the number of parts.
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Counterbores
Superbolt tensioners can be provided to fit completely into small counterbores. An internal installation removal hex allows for easy turning into position.
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Installation Tips
Importation considerations when applying Superbolt tensioners for various field application scenarios.
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Centering of washer on thread
Make sure the washer is not resting on one side of undercuts or radius of mating studs.
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Material with low strength
A thicker and larger washer or an additional washer may be necessary when materials with low strength are used on the joint.
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Large or slotted holes
An additional washer or a large washer is necessary to transfer the bolt load to a supported surface.
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Space requirements
Check for space restrictions for socket and wrench combination.
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Tensioner at the end of stud
An additional distance spacer may be necessary to bring tensioner closer to the end of the stud for proper socket fit.
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Very long through-stud
A special tensioner with a larger circle of jackbolts may be necessary to properly access the jackbolts for tightening.
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