| FASTENER LENGTH | 19.96 MILLIMETERS MINIMUM AND 20.04 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 2.5 MILLIMETERS MINIMUM AND 7.5 MILLIMETERS MAXIMUM |
| HEAD DIAMETER | 8.27 MILLIMETERS MINIMUM AND 8.50 MILLIMETERS MAXIMUM |
| INTERNAL DRIVE STYLE | TORX |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO 898-J INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| SPLINE MAJOR DIAMETER | 3.0 MILLIMETERS MINIMUM AND 6.0 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO 4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 19.96 MILLIMETERS MINIMUM AND 20.04 MILLIMETERS MAXIMUM |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| THREAD SERIES DESIGNATOR | M |