| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.780 INCHES MINIMUM AND 0.810 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 0.860 INCHES MINIMUM AND 0.900 INCHES MAXIMUM |
| HARDNESS RATING | 80.0 ROCKWELL C MINIMUM OVERALL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | B50T12A FSCM 07482 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 0.190 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.1644 TO 0.1667 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.071 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.245 INCHES MINIMUM AND 0.247 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 0.630 INCHES MINIMUM AND 0.650 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNF |
| WIDTH BETWEEN FLATS | 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.160 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |