| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 7.2 MILLIMETERS MINIMUM AND 7.8 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | CEMS A-31 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | BOLT,HH M12 X 40 PHC CLASS 10. |
| PROPRIETARY CHARACTERISTICS | PACS |
| NOMINAL THREAD DIAMETER | 12.0 MILLIMETERS |
| WIDTH BETWEEN FLATS | 17.7 MILLIMETERS MINIMUM AND 18.0 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | CEMS G-1. CLASS B-2 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 30.0 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.8 |