WWW.SUPERBOLT

0707An Old Problem:Large diameter bolting presents several problems. The strength of a screw fastener increases with the square of its diameter, however, the torque required increases with the third power. Because of this, bolts with a diameter greater than 1 inch cannot be effectively torqued to capacity with hand tools. Achieving proper preload levels Why Superbolt Tensioners?2 Superbolt , Inc. Tensioners are designed as direct replacements for standard bolting. They can be threaded onto a new or existing bolt , stud, threaded rod or shaft. With our products, bolting is fast, safe, easy and Curve for45,000 psi bolt StressTorque RequiredFor Standard NutTorque RequiredFor Superbolt TorquenutThread Diameter (In.)Torque (lb ft)100,00050,000123456 Low torque for any size Supernut Only Hand Tools RequiredStandard torque wrenches/small air tools can generate higher bolt tensions than any other bolting method and Labor SavingsVast time savings during installation/removal have been realized.

Std. bolt type tensioner used mostly in Grade 5 and B7 applications High strength bolt type tensioner used in demanding applications (Grade 8) The worlds strongest bolts made from exotic materials Bolt type tensioners that fit in a std. counterbore of socket head capscrews These nuts relieve the stress concentration on high strength bolts

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