Superbolt®
Multi-Jackbolt Tensioners replace or retrofit existing nuts and bolts. Because of their unique design, they eliminate common problems encountered in large diameter bolting.

Thousands of companies have enjoyed the benefits of using our bolting products. Switching from other bolting methods can save you money and increase worker safety.

Learn more about our products and how they work above. Or, see how other companies have used
Multi-Jackbolt Tensioners.

We look forward to working with you on your application!

 

what are superbolt tensioners
 
Learn more about
our innovative products.
What exactly is a
Multi-Jackbolt
Tensioner?

Find out how easy it is
to eliminate the need to
tighten large threaded
fasteners. Use a small
torque wrench on multiple
small jackbolts to create
higher bolt tensions than
any other bolting
method available!


Learn more about
the advantages of
Torquenuts™ and
Torquebolts™.
How are our tensioners
better than other
bolting methods?
 
catalog cover
The latest edition
of the Superbolt ®
32 page product catalog.
Download now, request
printed version
, or look
through our products online.

video
"The Solution To
Bolting Problems
"
12 min. video
presentation.
Available for
online viewing!


install procedure
DOCUMENTS AND
ONLINE SUPPORT:

Procedures
Install / Removal Tips
Install / Removal Video