THREAD SERIES DESIGNATOR | M |
NOMINAL THREAD DIAMETER | 16.0 MILLIMETERS |
THREAD PITCH IN MILLIMETERS | 1.5 |
EXTERNAL THREAD TOLERANCE CLASS | 6G |
THREAD DIRECTION | RIGHT-HAND |
THREAD LENGTH | 39.0 MILLIMETERS MINIMUM AND |
| 41.0 MILLIMETERS MAXIMUM |
FASTENER LENGTH | 52.0 MILLIMETERS MINIMUM AND |
| 58.0 MILLIMETERS MAXIMUM |
MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
MATERIAL DOCUMENT AND CLASSIFICATION | DIN 267 PART 11 NATIONAL SPEC SINGLE MATERIAL RESPONSE AND |
| DIN 6921 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
SURFACE TREATMENT | ZINC AND |
| CHROMATE OVERALL |
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN 267 PART 9 NATIONAL SPEC SINGLE TREATMENT RESPONSE OVERALL |
HEAD STYLE | HEXAGON EXTENDED WASHER |
HEAD HEIGHT | 15.5 MILLIMETERS MAXIMUM |
WIDTH BETWEEN FLATS | 20.5 MILLIMETERS MINIMUM AND |
| 21.1 MILLIMETERS MAXIMUM |
EXTENDED WASHER DIAMETER | 32.8 MILLIMETERS MAXIMUM |
EXTENDED WASHER THICKNESS | 2.4 MILLIMETERS MINIMUM |
SHOULDER SHAPE | ROUND FIRST SHOULDER |
SHOULDER DIAMETER | 17.0 MILLIMETERS NOMINAL FIRST SHOULDER |
SHOULDER LENGTH | 14.0 MILLIMETERS MINIMUM AND |
| 16.0 MILLIMETERS MAXIMUM FIRST SHOULDER |