| CROSS-SECTIONAL SHAPE | HEXAGON |
| GROOVE DIAMETER | 0.660 INCHES NOMINAL |
| GROOVE WIDTH | 0.070 INCHES MINIMUM AND 0.078 INCHES MAXIMUM |
| LENGTH | 2.000 INCHES NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM-B150 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| MATERIAL | ALUMINUM ALLOY OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 0.500 INCHES RIGHT INTERNAL |
| WIDTH ACROSS FLATS | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM |
| STYLE DESIGNATOR | INTERNALLY THREADED FULL LENGTH |
| THREAD CLASS | 2B LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD CLASS | 2B RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND RIGHT INTERNAL |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 0.310 INCHES NOMINAL RIGHT INTERNAL |
| THREAD LENGTH | 1.612 INCHES NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 13 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD QUANTITY PER INCH | 13 RIGHT INTERNAL |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) RIGHT INTERNAL |