NPFC - FF-S-107
SCREW, TAPPING AND DRIVE
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| Organization: | NPFC |
| Publication Date: | 1 September 1970 |
| Status: | active |
| Page Count: | 3 |
scope:
This specification covers the requirements for thread cutting, thread forming and thread rolling tapping screws, and metallic drive screws.
Document History
January 14, 2022
SCREW, TAPPING AND DRIVE
Thread forming screws.
Thread forming tapping screws are intended for use in material where large internal stresses are permissible or desirable to increase resistance to loosening.
Thread cutting...
FF-S-107
September 1, 1970
SCREW, TAPPING AND DRIVE
This specification covers the requirements for thread cutting, thread forming and thread rolling tapping screws, and metallic drive screws.
May 27, 1969
SCREW, TAPPING AND DRIVE
This specification covers the requirements for tapping screws, both thread cutting and thread forming, and metallic drive screws.
Tapping and drive screws shall be of the following types, as...
May 12, 1950
SCREW, TAPPING AND DRIVE
Tapping screws covered by this specification are classified as thread-forming screws, thread-cutting screws, and drive screws. The thread-forming screws are further classified as sheet-metal screws,...