| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 1.795 INCHES MINIMUM AND 1.805 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 2.060 INCHES MINIMUM AND 2.080 INCHES MAXIMUM |
| HEAD HEIGHT | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | B50TF15 CL-B FSCM 99207 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | NICKEL ALLOY X-750 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.094 INCHES MINIMUM AND 0.101 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.6245 INCHES MINIMUM AND 0.6250 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.310 INCHES MINIMUM AND 1.320 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.741 INCHES MINIMUM AND 0.752 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.600 INCHES MINIMUM AND 0.650 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |