| CROSS-SECTIONAL SHAPE | HEXAGON |
| LENGTH | 25.0 MILLIMETERS NOMINAL |
| MATERIAL DOCUMENT AND CLASSIFICATION | NF A35-572 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ACIER Z10CNT18-10 OVERALL |
| NOMINAL THREAD SIZE | 4.0 MILLIMETERS LEFT INTERNAL (INCLUDES THRU THREAD) |
| NOMINAL THREAD SIZE | 4.0 MILLIMETERS RIGHT EXTERNAL |
| SPECIAL FEATURES | AMAGNETIQUE |
| RIGHT PROJECTION DIAMETER | 4.0 MILLIMETERS NOMINAL |
| RIGHT PROJECTION LENGTH | 10.0 MILLIMETERS NOMINAL |
| WIDTH ACROSS FLATS | 7.5 MILLIMETERS NOMINAL |
| STYLE DESIGNATOR | LEFT INTERNAL AND RIGHT EXTERNAL THREAD |
| THREAD DIRECTION | RIGHT-HAND LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD DIRECTION | RIGHT-HAND RIGHT EXTERNAL |
| THREAD LENGTH | 10.0 MILLIMETERS NOMINAL LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD LENGTH | 8.4 MILLIMETERS NOMINAL RIGHT EXTERNAL |
| THREAD SERIES DESIGNATOR | ISO S LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD SERIES DESIGNATOR | ISO S RIGHT EXTERNAL |
| THREAD PITCH IN MILLIMETERS | 0.8 LEFT INTERNAL (INCLUDES THRU THREAD) |
| THREAD PITCH IN MILLIMETERS | 0.8 RIGHT EXTERNAL |