| COUNTERSINK ANGLE | 45.0 DEGREES NOMINAL |
| FASTENER LENGTH | 0.624 INCHES MINIMUM AND 0.655 INCHES MAXIMUM |
| GRIP LENGTH | 0.526 INCHES MINIMUM AND 0.536 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.735 INCHES MINIMUM AND 0.770 INCHES MAXIMUM |
| HEAD STYLE | FLUSH COUNTERSUNK |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-P-416 TY2 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| NOMINAL THREAD SIZE | 0.500 INCHES |
| SHANK DIAMETER | 0.5207 INCHES MINIMUM AND 0.5307 INCHES MAXIMUM |
| SHANK STYLE | PIN-RIVET, STRAIGHT, THREADED |
| SHEAR STRENGTH | 108000 DOUBLE POUNDS PER SQUARE INCH |
| SPECIFICATION/STANDARD DATA | 73197-HLT628-8-16 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| WIDTH BETWEEN FLATS | 0.2207 INCHES MINIMUM AND 0.2242 INCHES MAXIMUM |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD SERIES DESIGNATOR | UNJF |
| THREAD QUANTITY PER INCH | 30 |