| EXTERNAL THREAD TOLERANCE CLASS | 6H |
| FASTENER LENGTH | 65.00 MILLIMETERS NOMINAL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM OVERALL AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD DIAMETER | 25.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 4.0 MILLIMETERS NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4340 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| SPECIAL FEATURES | SHOULDER UNDER HEAD 20.500 MM LONG AND 15.984 MM DIA |
| WIDTH BETWEEN FLATS | 20.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416,TYPE 2,CLASS 2 FED SPEC 1ST TREATMENT RESPONSE OVERALL OR MIL-C-87115,CLASS 1 MIL SPEC 2ND TREATMENT RESPONSE OVERALL OR MIL-C-83488,CLASS 2 MIL SPEC 3RD TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL AND CHROMATE OVERALL OR ZINC OVERALL AND CHROMATE OVERALL OR ALUMINUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.75 |