Rip-Lock – The Universal Lock Washer | Bossard Group

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Rip-Lock – The Universal Lock Washer

Rip-LockTM washers are designed as locking elements against loosening for all mechanically stressed bolted connections of strength class 8.8/A2-70. They resist slight settling and reduce the surface pressure on the components to be fastened. The ribs to the contact point of the screw/nut support result in higher process capability and, due to the applied clamping force, additional resistance to loosening.

  • Applications
  • Features
Rip-Lock™ Lock washers medium series

Washers for high-strength pretensioned bolted joints with universal locking effect for general requirements for process-safe assembly, including:

  • Automotive/body construction
  • Plant and mechanical engineering
  • Vehicle substructure
  • Transportation plant engineering
  • Railway
  • Engine mountings
  • Load-bearing constructions, etc.
Rip-Lock™ Lock washers medium series

Industrial fastening solutions require defined contact surfaces for reliable assembly with a corresponding locking effect in operation to maintain the preload force. The proven Rip-LockTM locking washer has established itself in mechanical engineering and is proving its worth in general applications.

  • Connections with requirements for a strength class 8.8
  • Increased bearing surface where a washer is not sufficient
  • Locking effect against loosening and conditional resistance against loosening
  • Process-safe tightening behavior with reproducible friction value window
  • Dimensions from M3-M20, design with narrow, medium and wide outer diameter