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  3. Hydraulic Nuts
  4. BOLTIGHT® Hydraulic Nut (Nord-Lock Group)
BOLTIGHT® Hydraulic Nut-BOLTIGHT® Hydraulic Nut
BOLTIGHT® Hydraulic Nut-Nord-Lock Group

BOLTIGHT® Hydraulic Nut
Nord-Lock Group

About This Product

Voltite's hydraulic nut is a product that integrates a hydraulic tensioner, which is a bolt tightening tool, and a nut, and can easily and accurately tighten bolts of a large size that cannot be tightened by human power with the desired axial force. Hydraulic nuts require extremely short installation time, and almost all of the force generated by hydraulic tensioning is converted into axial force, which is unaffected by the coefficient of friction. Since the nut does not rotate during tightening, you can work safely in tight spaces and there is no torsional stress on the threads. It is also possible to tighten multiple hydraulic nuts at the same time, and all nuts are tightened with uniform and accurate axial force.

■Features

・Available as bottom collar, top collar, and shim type ・Standard product supports 1,500 bar and 2,500 bar ・A20/A15 range ・This is a product that integrates a hydraulic tensioner and a nut, so it can be replaced directly with a conventional nut. ・After completion of tightening, it can be used as a nut, so there is no need to remove or replace it. ・Special products that meet special needs that cannot be covered by standard products are also available. - Compatible with standard sizes up to M400. Larger sizes are available as special items (estimate required) ・Products compatible with high temperature environments are available.

■Main benefits

-Easy to install in a short time ・Can be fastened with uniform and accurate axial force using hydraulic power ・Since it is not affected by the coefficient of friction, there is very little loss in fastening load. ・Screw threads are not subjected to stress or torsional stress due to fastening load ・No need to hit with a hammer or spanner when tightening ・With automatic positioning function ・Longer life due to improved fatigue strength ・Multiple hydraulic nuts can be tightened 100% at the same time ・Equipped with an internal jack that is extremely compact and has a long life, making it economical. -Requires fewer stud protrusions than conventional tensioners

  • Product

    BOLTIGHT® Hydraulic Nut

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1 Models of BOLTIGHT® Hydraulic Nut

Image Part Number Price (excluding tax)
BOLTIGHT® Hydraulic Nut-Part Number-BOLTIGHT® Hydraulic Nut

BOLTIGHT® Hydraulic Nut

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About Company Handling This Product

Nord-Lock Group

Company Overview

Nord-Lock Group, established in 1982 and headquartered in Sandviken, Sweden, is a manufacturer and supplier of...

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  • Sweden

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Hydraulic Nuts
Hydraulic Nuts　Nord-Lock Group
Nord-Lock Group

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