| FASTENER LENGTH | 6.10 MILLIMETERS MINIMUM AND 6.60 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 6.61 MILLIMETERS MINIMUM AND 7.11 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.29 MILLIMETERS MINIMUM AND 2.79 MILLIMETERS MAXIMUM |
| HEAD HOLE CONFIGURATION STYLE | ROUND |
| HEAD STYLE | FILLISTER |
| HOLE DIAMETER | 1.10 MILLIMETERS MINIMUM AND 1.29 MILLIMETERS MAXIMUM |
| HOLE QUANTITY | 1 |
| INTERNAL DRIVE STYLE | SLOT |
| NOMINAL THREAD DIAMETER | 0.164 INCHES |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | BS S154 NATIONAL STD/SPEC SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SPECIAL FEATURES | ZINC-NICKEL ALLOY SURFACE TREATMENT |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 5.08 MILLIMETERS NOMINAL |
| THREAD QUANTITY PER INCH | 32 |
| THREAD SERIES DESIGNATOR | UNC |