| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.166 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 1.410 INCHES MINIMUM AND 1.440 INCHES MAXIMUM |
| FEATURES PROVIDED | FINISHED HEAD |
| GRIP LENGTH | 1.050 INCHES NOMINAL |
| HEAD HEIGHT | 0.140 INCHES MINIMUM AND 0.170 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6050 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8630 OVERALL |
| MINIMUM TENSILE STRENGTH | 125000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.312 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.077 INCHES MINIMUM AND 0.082 INCHES MAXIMUM FIRST HOLE |
| SPECIAL FEATURES | RELIEF DIA. 0.290 IN. BY 0.090 IN. UNDER HEAD,THD RELIEF 0.241 IN. MIN,0.251 IN. MAX DIA. BY 0.060 IN. LG |
| WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
| SURFACE FINISH | 100.0 MICROINCHES GRIP |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | TYPE 2 FSCM 36659 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.300 INCHES MINIMUM AND 0.330 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 24 |
| THREAD SERIES DESIGNATOR | UNF |