| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.8815 INCHES MINIMUM FIRST HOLE |
| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.9875 INCHES NOMINAL |
| GRIP DIAMETER | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM |
| GRIP LENGTH | 0.5625 INCHES NOMINAL |
| HEAD DIAMETER | 0.464 INCHES MINIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HIGH-TORQUE |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT 100 DEGREE FLUSH HEAD |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6349 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4140 OR STEEL COMP 4340 OR STEEL COMP 8740 OVERALL |
| NOMINAL THREAD DIAMETER | 0.250 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | AMS-QQ-P TYPE II, CLASS 2 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM AND CHROMATE OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.425 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 28.0 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |