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Nord-Lock Group products tighten and secure billions of bolted connections in millions of applications all over the world, including Power Generation. Challenges created by vibration, extreme thermal variations and startups can lead to bolt loosening, misalignments, coupling bolt challenges and joint leaks. Nord-Lock Group offers products & technology solutions to remedy these issues, including wedge-locking washers, Superbolt multi-jackbolt tensioners, and Boltight hydraulic closure systems. As a global leader in engineering and bolting technologies, our mission is to safeguard human lives and customer investments. Nord-Lock is the first bolt-securing partner to offer a full life-cycle warranty across all technologies.

Products & Services

Nord-Lock wedge-locking washers:
  • X-series washers
  • Steel construction washers
  • Wheel nuts
  • Combi Bolt washers
Superbolt Tensioners:
  • Flexnuts
  • EzFit mechanical expansion bolts
  • HyFit expansion bolts
  • Multi-jackbolt tensioners
  • Load-Sensing tensioners with built-in preload monitoring system
Boltight hydraulic bolt tensioning:
  • Standard Bolt tensioners
  • Subsea tensioners
  • Typhoon tensioners - compact to fit tight-access locations
  • Echometer range uses ultrasonics to quickly & accurately measure bolt load
  • TSR+ auto return tensioners are designed to ensure fast, safe & reliable operation
  • Xtra Range developed for high loads and reduced dimensions
  • Foundation tensioners specifically designed for wind turbine base & foundation bolts
  • Hydraulic Nuts
  • Closure systems, Rotor & Casing tools
  • Expander system - permanent solution to lug wear

Industries Served

  • Power Generation
  • Oil & Gas
  • Manufacturing & Processing
  • Transportation
  • Railway
  • Shipbuilding & Marine
  • Steel, Forging & Other Presses
  • Machine Building
  • Construction
  • Forestry & Agriculture
  • Mining & Minerals
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