| EXTENDED WASHER DIAMETER | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM |
| EXTENDED WASHER THICKNESS | 0.140 INCHES MINIMUM AND 0.150 INCHES MAXIMUM |
| FASTENER LENGTH | 2.733 INCHES MINIMUM AND 2.763 INCHES MAXIMUM |
| GRIP DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM |
| GRIP LENGTH | 1.865 INCHES MINIMUM AND 1.885 INCHES MAXIMUM |
| HEAD HEIGHT | 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM |
| HEAD STYLE | DOUBLE HEXAGON W/HOLE |
| HOLE DIAMETER | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM |
| HOLE QUANTITY | 4 |
| HOLE TYPE | DRILLED |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT-TWELVE POINT-STEEL EXTERNAL WRENCHING |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| WIDTH BETWEEN FLATS | 0.682 INCHES MINIMUM AND 0.691 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.873 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 18 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |