| BEARING SURFACE OF HEAD SURFACE TREATMENT | ZINC AND CHROMATE |
| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 25.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 17.8 MILLIMETERS MINIMUM AND 20.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| HEAD SURFACE TREATMENT | ZINC AND CHROMATE |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE 1 |
| III PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, MACHINE |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS |
| SCREW MATERIAL DOCUMENT AND CLASSIFICATION | ASTM F568M ASSN STD SINGLE MATERIAL RESPONSE |
| SCREW MATERIAL | STEEL |
| SCREW SURFACE TREATMENT | ZINC AND CHROMATE |
| SHANK SURFACE TREATMENT | ZINC AND CHROMATE |
| SPECIAL FEATURES | CAGE SZ177 BAE LAND SYSTEMS SOUTH AFRICA TRADING AS LAND SYSTEMS OMC IS THE OEM |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 7.2 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.5 |