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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_joint-guide_tensioners_tapped-holes.jpg) |
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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_joint-guide_tensioners_counter-bores.jpg) |
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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_installation-tips_tensioners_low-strength-material.jpg) |
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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_installation-tips_tensioners_large-holes.jpg) |
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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_installation-tips_tensioners_space-requirements.jpg) |
Space requirements Check for space restrictions for socket and wrench combination.
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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_installation-tips_tensioners_end-stud.jpg) |
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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![](/globalassets/mediavalet/web-assets/pictures/superbolt/others/superbolt_installation-tips_tensioners_long-stud.jpg) |
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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