SAE AS 9558D:2017-11-29

DELETE RADIUS AT TRANSITION OF WRENCH FLATS AND BASE FLANGE, ADD EXISTING INVENTORY DISPOSITION NOTE, ADD 'MINIMUM' TO FPI SENSITIVITY LEVEL REQUIREMENT, COLD ROLLING NOTE - DELETE CURRENT NOTE 4 (SEE AS7477) AND INCORPORATE LENGTH EXCEPTION INTO NOTE 3, DELETE REGARDLESS OF FEATURE SIZE SYMBOL FROM STRAIGHTNESS FEATURE CONTROL FRAME, CORRECT TYPOS IN L DIM FOR 37 AND -48, FIGURE 1 REDRAWN, GENERAL EDITORIAL UPDATE.