| FASTENER LENGTH | 5.900 INCHES MINIMUM AND 6.000 INCHES MAXIMUM |
| HARDNESS RATING | 60.0 ROCKWELL B MINIMUM OVERALL |
| HEAD HEIGHT | 0.400 INCHES MINIMUM AND 0.444 INCHES MAXIMUM |
| HEAD STYLE | SQUARE |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A307-68,GR A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MINIMUM TENSILE STRENGTH | 55000 POUNDS PER SQUARE INCH |
| NONDEFINITIVE SPEC/STD DATA | 1 TYPE OR 2 TYPE AND 2 STYLE AND B GRADE |
| NONMACHINE NOMINAL THREAD DIAMETER | 0.625 INCHES |
| NONMACHINE THREAD STYLE | CONE POINT (TYPE BP) OR GIMLET POINT (TYPE A, AB OR BA) |
| SHOULDER DIAMETER | 0.605 INCHES MINIMUM AND 0.642 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.312 INCHES MINIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.906 INCHES MINIMUM AND 0.937 INCHES MAXIMUM |