Description / Abstract:
This Aerospace Standard establishes the diameter - pitch combinations of ISO metric 60° screw threads recommended for use in the aerospace industry for metric module shaft or bearing retaining screw threads.
SAE AS1421 Revision A, November 1, 2010
Aerospace Selected Diameter - Pitch Combinations of Metric 60 degrees Screw
Threads for Shaft or Bearing Retaining Screw Threads