| THREAD PITCH IN MILLIMETERS | 1.8 |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 30.0 MILLIMETERS NOMINAL |
| HARDNESS RATING | 38.0 ROCKWELL C MINIMUM AND 44.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 17.6 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 11.8 MILLIMETERS MINIMUM AND 12.0 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT FILLISTER |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ASTM A574M, GRADE 12.9, ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 12.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | SCREW, CAP, SOCKET HEAD |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 1200 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 1100 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 10.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ASTM B633, TYPE III OR V, FE/ZN5 ASSN STD SINGLE TREATMENT RESPONSE OR ASTM F194M, TYPE FE/ZN5AT OR FE/ZN5BT ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC AND CHROMATE OVERALL |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | M |