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SuperboltĀ® manufacturers patented Multi-Jackbolt Tensioners (MJTs) designed to eliminate unsafe and time consuming bolting methods. MJTs replace or retrofit existing nuts and bolts, and only require hand/air tools for installation and/or removal of any size tensioner.
Mechanical Tensioners
Multi Jackbolt Tensioner
Superbolt Torquebolts

Nord-Lock Washers
Lock Washers
Wheel Lock Nuts
Nord-Lock Wheel Nuts
Lock Washer
Lock Washer
The NORD-LOCK bolt securing system uses geometry to safely lock bolted joints in the most critical applications.

At Fairfield we provide bolting products designed to improve worker safety, equipment integrity, and reduce overall costs.

Customers buy from us because of the service we provide and the solutions we offer.

Superbolt Technology
lock washer lock nut

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