| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.678 INCHES MINIMUM AND 0.710 INCHES MAXIMUM |
| DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 0.723 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 2 |
| FASTENER LENGTH | 0.858 INCHES MINIMUM AND 0.890 INCHES MAXIMUM |
| FIRST DIAMETER FROM HEAD | 0.250 INCHES NOMINAL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| SECOND DIAMETER FROM HEAD | 0.140 INCHES NOMINAL |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.135 INCHES MINIMUM |
| THREAD CLASS | 2A |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 32 |