| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| FASTENER LENGTH | 3.500 INCHES NOMINAL |
| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A-307,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| HEAD STYLE | SQUARE |
| HEAD HEIGHT | 0.422 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL |
| NONDEFINITIVE SPEC/STD DATA | 2 STYLE AND |
| B GRADE AND |
| 1 TYPE |
| SPEC/STD CONTROLLING DATA | |
| MANUFACTURERS CODE | 81348 |
| NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE | FFB561 |