| COLOR | NATURAL OVERALL |
| EXTERNAL THREAD TOLERANCE CLASS | 6G |
| FASTENER LENGTH | 50.0 MILLIMETERS NOMINAL |
| HEAD DIAMETER | 20.0 MILLIMETERS MINIMUM AND 24.6 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 4.6 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM |
| HEAD STYLE | TRUSS |
| MATERIAL | STEEL OVERALL |
| NECK LENGTH | 5.0 MILLIMETERS MINIMUM AND 5.8 MILLIMETERS MAXIMUM |
| NECK WIDTH | 9.4 MILLIMETERS MINIMUM AND 10.6 MILLIMETERS MAXIMUM |
| NOMINAL THREAD DIAMETER | 10.0 MILLIMETERS |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | ROUND HEAD SQUARE NECK METRIC SERIES BOLT |
| SPECIAL FEATURES | GRADE 8.8;FREE FROM SEAMS ,BURRS, LAPS, LOOSE SCALE, IRREGULAR SURFACES AND DEFECTS AFFECTING SERVICEABILITY |
| SURFACE TREATMENT | CHROMATE ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 1.5 |
| THREAD SERIES DESIGNATOR | M |