| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW,CAP,HEXAGON H |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 6.0 MILLIMETERS |
| WIDTH BETWEEN FLATS | 9.8 MILLIMETERS MINIMUM AND 10.0 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633 TY 3 OR 4 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 18.0 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.0 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 49.5 MILLIMETERS MINIMUM AND 50.5 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 3.85 MILLIMETERS MINIMUM AND 4.15 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |