| FASTENER LENGTH | 6.000 INCHES NOMINAL |
| HARDNESS RATING | 60.0 ROCKWELL C NOMINAL OVERALL |
| HEAD HEIGHT | 0.422 INCHES NOMINAL |
| HEAD STYLE | SQUARE |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE AND 2 STYLE AND B GRADE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.625 INCHES |
| NONMACHINE THREAD STYLE | GIMLET POINT (TYPE A, AB OR BA) |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307,GRA ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| WIDTH BETWEEN FLATS | 0.938 INCHES NOMINAL |
| SURFACE TREATMENT | ZINC OVERALL |