| HARDNESS RATING | 21.00 ROCKWELL C NOMINAL OVERALL |
| HEAD DIAMETER | 13.00 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 5.30 MILLIMETERS NOMINAL |
| MATERIAL | STEEL OVERALL |
| MINIMUM YIELD STRENGTH | 110000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 8.00 MILLIMETERS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | MEDIUM-STRENGTH CLASS 8.8 STEEL HEX HEAD SCREW |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 8.80 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 80.00 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | M |
| THREAD PITCH IN MILLIMETERS | 1.25 |