| THREAD SERIES DESIGNATOR | M |
| NOMINAL THREAD DIAMETER | 4.22 MILLIMETERS |
| THREAD PITCH IN MILLIMETERS | 4.2 |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 16.6 MILLIMETERS MINIMUM AND |
| 25.0 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 25.00 MILLIMETERS NOMINAL |
| MATERIAL | STEEL COMP 1008 OR |
| STEEL COMP 1009 OR |
| STEEL COMP 1010 PRIMARY WASHER |
| STEEL FASTENER |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD ALL MATERIAL RESPONSES PRIMARY WASHER |
| GM 6010-M FSCM 11862 MFR REF SINGLE MATERIAL RESPONSE FASTENER |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM 4251-M CODE 50 FSCM 11862 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| HEAD STYLE | FLAT TOP ELEVATOR |
| HEAD DIAMETER | 6.82 MILLIMETERS MINIMUM AND |
| 7.35 MILLIMETERS MAXIMUM |
| COUNTERSINK ANGLE | 90.0 DEGREES MINIMUM AND |
| 92.0 DEGREES MAXIMUM |
| INTERNAL DRIVE STYLE | CROSS RECESS TYPE IA |
| WASHER QUANTITY | 1 |
| PRIMARY WASHER STYLE | FLAT |
| PRIMARY WASHER OUTSIDE DIAMETER | 8.95 MILLIMETERS MINIMUM AND |
| 9.45 MILLIMETERS MAXIMUM |
| PRIMARY WASHER MATERIAL THICKNESS | 0.35 MILLIMETERS MINIMUM AND |
| 0.50 MILLIMETERS MAXIMUM |