Functional Principle

HEICO-LOCK® Wedge Lock Washers

Functional Principle

An important feature of HEICO-LOCK® Wedge Lock Washers, setting them apart from other systems that are available, is the securing of the bolt fastening using preload force rather than friction

  • Wedge-shaped cams on the inside of the lock washers, radial teeth on the outside
  • Interlocking embedding of the radial teeth with the respective mating surface
    (when tightening the bolted joint)
  • System movement only possible between the inner wedge shaped cams.
    Movement across these wedge shaped surfaces effectively self locks the bolt
  • Increase in clamping force

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