THREAD SERIES DESIGNATOR | UNJF |
NOMINAL THREAD DIAMETER | 0.750 INCHES |
THREAD QUANTITY PER INCH | 16 |
THREAD CLASS | 3A |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 0.916 INCHES NOMINAL |
FASTENER LENGTH | 4.010 INCHES NOMINAL |
MATERIAL | STEEL COMP 4340 OVERALL |
HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM OVERALL |
HEAD STYLE | HEXAGON |
HEAD HEIGHT | 0.410 INCHES NOMINAL |
WIDTH BETWEEN FLATS | 1.062 INCHES NOMINAL |
EXTERNALLY RELIEVED BODY DIAMETER QUANTITY | 4 |
FIRST DIAMETER FROM HEAD | 0.623 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
SECOND DIAMETER FROM HEAD | 0.623 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
THIRD DIAMETER FROM HEAD | 0.662 INCHES MINIMUM AND |
| 0.682 INCHES MAXIMUM |
FOURTH DIAMETER FROM HEAD | 0.623 INCHES MINIMUM AND |
| 0.627 INCHES MAXIMUM |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER | 0.500 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF SECOND DIAMETER | 1.260 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF THIRD DIAMETER | 1.830 INCHES NOMINAL |
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FOURTH DIAMETER | 3.094 INCHES NOMINAL |
THE MANUFACTURERS DATA | |
MANUFACTURERS CODE | 63005 |
DESIGN CONTROL REFERENCE | 6842617 |