scope:

This Standard covers the complete general and dimensional data for metric series round head square neck bolts recognized as American National Standard, and intended for general applications.

The inclusion of dimensional data in this Standard is not intended to imply that all sizes described are production stock items. Consumers should consult with manufacturers concerning lists of stock production items.

Metric round head square neck bolts purchased for government use shall conform to this Standard and additionally to the requirements of Appendix III.