Aerospace : Fastening Systems : Panel Fasteners : Titanium Mark IV™ Fastening System

Titanium Mark IV™ Fastening System

A Structural Panel Fastening System for Aerospace Composite Structures

System Features
  • Comprised of a two piece design: a flat beam lock nut that provides excellent resistance to vibration-induced loosening and has a high cycle life of up to 250 seated cycles, and a titanium stud bolt which features dual - lead threads for quick operation.
 
  • 180 KSI titanium with low friction dry film lubrication is approximately 45% lighter than versions in other materials.
 
  • 100º countersink tension head with multiple recess options available including hex and Torx®.
 
  • Stud bolt available in .2160, .2500, .3125 and .3750 inch nominal diameters.
 
  • Stud bolt has positive retention and hold-out.
 
  • Stud bolt offers excellent probability and accomodates angular panel misalignment with the unthreaded nose section.
 
  • Stud bolt accommodates large variations in grip (up to .140 inch).
 
  • Receptacle provides .020 inch minimum radial float and versions allow for angular engagement of nut plate to ease installation of curved panels.
 
  • Receptacle nut portion can be replaced without removing rivets.
 
  • Optional grommet for composite applications provides hard seat surface, good load transfer, counterbore for retaining ring, and is excellent for gasketed applications.



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Contact Information
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Alcoa Fastening Systems Aerospace
310.784.6409
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Alcoa Fastening Systems Aerospace
800.992.4444
805-527-0900

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Alcoa Fastening Systems Aerospace
+49 8251 8757-0
+49 8251 1652

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