| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.040 INCHES MINIMUM AND 0.045 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.112 INCHES MINIMUM AND 0.122 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 0.142 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM |
| HEAD HEIGHT | 0.080 INCHES MINIMUM AND 0.095 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| SECOND DIAMETER FROM HEAD | 0.215 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 0.305 INCHES MINIMUM AND 0.313 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THIRD DIAMETER FROM HEAD | 0.120 INCHES MINIMUM AND 0.125 INCHES MAXIMUM |
| THREAD LENGTH | 0.318 INCHES MINIMUM AND 0.368 INCHES MAXIMUM |