| FASTENER LENGTH | 27.098 INCHES NOMINAL |
| FEATURES PROVIDED | CETYL ALCOHOL LUBRICANT |
| HEAD HEIGHT | 0.950 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 630 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHOULDER DIAMETER | 0.938 INCHES NOMINAL THIRD SHOULDER |
| SHOULDER DIAMETER | 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM FOURTH SHOULDER |
| SHOULDER DIAMETER | 0.994 INCHES MINIMUM AND 0.996 INCHES MAXIMUM SECOND SHOULDER |
| SHOULDER DIAMETER | 1.494 INCHES MINIMUM AND 1.496 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 1.000 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER LENGTH | 10.000 INCHES NOMINAL THIRD SHOULDER |
| SHOULDER LENGTH | 6.500 INCHES NOMINAL FOURTH SHOULDER |
| SHOULDER SHAPE | ROUND ALL SHOULDERS |
| SPECIAL FEATURES | TWO STEPPED-DOWN SHOULDERS TAPERED; FURNISHED WITH TWO UNDERCUTS; FLAT POINT 0.180 IN. MIN. TO 0.250 IN. MAX. ON THREADED END |
| WIDTH BETWEEN FLATS | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM |
| THREAD CLASS | 2A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 2.100 INCHES MINIMUM AND 2.200 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |