| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 7.760 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 7.435 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 7.695 INCHES NOMINAL |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.200 INCHES NOMINAL |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
| FASTENER LENGTH | 8.120 INCHES NOMINAL |
| FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
| FOURTH DIAMETER FROM HEAD | 0.190 INCHES NOMINAL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 0.455 INCHES NOMINAL |
| HEAD HEIGHT | 0.140 INCHES NOMINAL |
| HEAD STYLE | KNURLED NO. 1 |
| MATERIAL | STEEL COMP 4130 OVERALL |
| MINIMUM TENSILE STRENGTH | 129000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SECOND DIAMETER FROM HEAD | 0.190 INCHES NOMINAL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THIRD DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.360 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 28 |
| THREAD SERIES DESIGNATOR | UNF |