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  • Large flange for increased strength in punched holes
  • Thicker walls than CFH to provide for higher performance
Unit of Measure

Thread Size

 N/A 5/16-18 UNC

Grip Range
(Min.-Max.)

 N/A .100 - .180 in

HD (Min.)

 N/A .579

HD (Max.)

 N/A .609

L
±.015

 N/A .703

HT
Nom.

 N/A .062

D (A/F)
Max.

 N/A .397

IL (Ref.)

 N/A .405

Hole Size (A/F)
+.010/-.000

 N/A .397