|Bolt||F2329 Hot Dip Galvanizing||B695 Mechanical Galvanizing||F1136 Zinc/Aluminum (Geomet)||F2833 Zinc/Aluminum|
|A325||Approved||Class 55||Grade 3||Grade 1|
|F1852||Not Approved||Class 55||Not Approved||Not Approved|
|A490||Not Approved||Not Approved||Grade 3||Grade 1|
|F2280||Not Approved||Not Approved||Not Approved||Not Approved|
|*Other coatings may be used on 120ksi/A325 fasteners upon agreement between purchaser and user. Coatings on 150ksi/A490 fasteners must be qualified by ASTM committee F16.
*F1136, F2833 and F3019, as of 2020, have been withdrawn and combined into a new coating standard, F3393.