Any Bolt, Any Size, Any Configuration
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Sta-lok Snap-In

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  FEATURES AND BENEFITS     APPLICATIONS    
 
  • Positive mechanical lock that is not dependent on lubricants or plating for repeatability.
  • Achieves precise preload - serrations provide adjustment that eliminates back-off or over-torque.
  • Maintains fatique strength at reduced weight.
  • External serrations in the nonload carrying portion of the thread elminates keyways allowing reduction of shaft wall thickness or diameter.
  • Keyway stress concentrations are eliminated.
  • Internal serrations of washer mates with serrated shaft.
  • Serrations clearance for ease of washer installation and removal.
  • Internal groove of nut accepts retaining ring of washer.
  • Can be designed in various wrenching configurations
     
 
  • Where ease of installation is preferred.
  • Non-rotating applications where positive retention is desired.
  • Where achieving precise preload is critical and existing nuts cannot provide adequate adjustment.
  • Where weight reduction is a priority and shaft wall thickness or diameter can be reduced.
  • Allows for better shaft balance than conventional positive locks.
   
    SHAFT BOLT SERRATIONS 
Broaching serrations of shaft/bolt is required. For installation and removal of locknuts and lockwashers contact Shur-Lok for technical sales bulletin TSB0001.
     

SERRATIONS - CLEARANCE 
Clearance fit is provided by Shur-Lok Design.

THREAD SIZE 
.250 inch and larger.

Metric sizes available on request.