FF-B-584F, FEDERAL SPECIFICATION, BOLTS, SQUARE NECK AND TEE HEAD (07-DEC-1989) [S/S BY ASME-B18.5, ASME-B18.9, AND ASME-B18.18.1M]

FF-B-584F, FEDERAL SPECIFICATION, BOLTS, SQUARE NECK AND TEE HEAD (07-DEC-1989) [S/S BY ASME-B18.5, ASME-B18.9, AND ASME-B18.18.1M]., This specification covers bolts, 0.190 inch in diameter and larger, with heads that are either semi-spherical or designed to be set flush with the surface of the items being fastened.