| DISTANCE FROM CENTERLINE TO FLAT | 0.460 INCHES MINIMUM AND 0.465 INCHES MAXIMUM |
| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.130 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DIAMETER | 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM |
| COUNTERBORE DEPTH | 1.540 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM |
| FASTENER LENGTH | 2.310 INCHES NOMINAL |
| HEAD HEIGHT | 0.097 INCHES NOMINAL |
| HEAD DIAMETER | 1.187 INCHES NOMINAL |
| HEAD STYLE | DEE CHAMFER |
| MATERIAL | STEEL COMP 8740 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 190000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.139 INCHES MINIMUM FIRST HOLE AND 0.145 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.748 INCHES MINIMUM AND 0.749 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.810 INCHES NOMINAL |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | 496 TY 2,FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE GRIP |
| SURFACE TREATMENT | CHROMIUM GRIP |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.380 INCHES MINIMUM AND 0.410 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNF |