FF-S-107C, FEDERAL SPECIFICATION: SCREW, TAPPING AND DRIVE (27 MAY 1969) [SUPERSEDING MIL-S-6033]

FF-S-107C, FEDERAL SPECIFICATION: SCREW, TAPPING AND DRIVE (27 MAY 1969) [SUPERSEDING MIL-S-6033]., This specification covers the requirements for tapping screws, both thread cutting and thread forming, and metallic drive screws.