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  HLN Hardlock Nut
   Features
   Attachment Procedure
   HLN Hardlock Nut with Rim – Options Table
   Standard Rim Type: Dimension and tightening torque tables
   Basic Normal Type: Dimension and tightening torque tables
   Basic Thin Type: Dimension and tightening torque tables
   Precautions
   FAQ
  HLB Hardlock Bearing Nut
   Features
   Attachment Procedure
   Tightening Torque Table
   Standard Type: Dimension and tightening torque table
   Special Thin Type: Dimension and tightening torque table
   FAQ
  HLS Hardlock Set Screw
   Features
   Attachment Procedure  
   Tightening Torque Table
   Standard Normal Type: Dimension and tightening torque table
   Standard Hollow Type: Dimension and tightening torque table
   Pin Normal Type: Dimension and tightening torque table
   Pin Hollow Type: Dimension and tightening torque table
   Special/Thin Hollow Type: Dimension and tightening torque table
   FAQ
  Warning about Imitation Products
 Technical Information
  Why Do Fasteners Become Loose?
  Why the HLN Hardlock Nut Does Not Loosen
  Testing Apparatus
  Procedure and Results
   Junker-style Fastener Looseness Test: Procedure and Results
   Reuse Test: Procedure and Results
   Test of Preload Variance Due to Tightening: Procedure and Results
   NAS Test: Procedure and Results
   Loosening under Transverse Cyclic Loads: Procedure and Results
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