| COUNTERSINK ANGLE | 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM |
| GRIP DIAMETER | 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM |
| HEAD DIAMETER | 0.266 INCHES MINIMUM AND 0.303 INCHES MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HIGH STRENGTH, CLOSE TOLERANCE, REDUCED (SHEAR) HEAD, COUNTERSUNK SCREW |
| MATERIAL | STEEL COMP E4340 AND STEEL COMP 8740 OVERALL |
| MINIMUM TENSILE STRENGTH | 160000 POUNDS PER SQUARE INCH |
| SINGLE SHEAR STRENGTH | 950000 POUNDS PER SQUARE INCH |
| SURFACE FINISH | 32.0 MICROINCHES BEARING SURFACE OF HEAD |
| SURFACE FINISH | 32.0 MICROINCHES GRIP |
| SURFACE FINISH | 32.0 MICROINCHES THREADS |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.323 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 32 |