Nord-Lock, Inc. Datasheets for Bolt Tensioners

Bolt tensioners are used in place of standard hex nuts or bolts for easier and more precise tightening of large-diameter bolt and stud assemblies. They are sometimes called multi-jackbolt tensioners (MJTs).
Bolt Tensioners: Learn more

Product Name Notes
Fastest auto return tensioner on the market With a focus on productivity and a reduction in downtime, the TSR+ auto return tensioner range has been designed to ensure fast, simple,...
One-off design If one of our existing tools cannot be modified, we will design and manufacture equipment to suit. This can be supplied to fit any size of bolt and...
Boltight Subsea tensioners are specifically configured for Subsea applications. The nickel-plated exterior provides excellent anti-corrosion properties. The tools are fitted with the Boltight composite material high pressure seals, which clip into place...
Boltight Xtra load range has been developed for high loads and reduced dimensions. With 30% more load than typical standard ranges and a large usable piston stroke, it provides users...
Boltight’s range of foundation bolt tensioners have been specifically designed for wind turbine base and foundation bolts. They meet the exacting requirements of the wind industry, while remaining reliable and...
Boltight’s standard range of hydraulic bolt tensioners are designed for general use on top side applications. Each tool comprises of a hydraulic cylinder, bridge, puller and socket. Interchangeable adaptor kits...
Boltight's Typhoon range of bolt tensioners offer a high-load, low profile solution for space-restricted applications demanding high and accurate preloads, such as wind turbines. The tensioners exert a high load...
Hydraulic nuts enable large diameter bolts to be tensioned with ease to high and accurate preloads. A hydraulic pump activates the internal jacking system, so the effort required to tighten...
Superbolt nut style Multi-jackbolt tensioners (MJTs) are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size MJT.
Superbolt nut-style multi-jackbolt tensioners (MJTs) are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size MJT. CY...
Superbolt nut-style multi-jackbolt tensioners (MJTs) are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size MJT. H650...
Superbolt nut-style multi-jackbolt tensioners (MJTs) are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size MJT. H650T...
Superbolt nut-style multi-jackbolt tensioners (MJTs) are an innovative bolting product that will eliminate expensive and dangerous tooling. Only hand/air tools are required to install or remove any size MJT. Superbolt...
Superbolt products are an innovative technology for tightening large bolts & studs. MJTs have been proven and established as a preferred solution for bolting in every major industry, all over...
Superbolt tensioners offer you simple and cost-effective tightening of large size bolts. Your joints can be tightened with high accuracy without requiring specialized skills or heavy tooling. A wide range...