| EXTENDED WASHER DIAMETER | 17.0 MILLIMETERS NOMINAL |
| EXTENDED WASHER THICKNESS | 1.0 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM |
| FASTENER LENGTH | 53.00 MILLIMETERS NOMINAL |
| FEATURES PROVIDED | CASEHARDENED |
| HEAD HEIGHT | 7.00 MILLIMETERS MINIMUM AND 7.60 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON EXTENDED WASHER |
| INTERNAL DRIVE STYLE | W/O INTERNAL DRIVE |
| MATERIAL DOCUMENT AND CLASSIFICATION | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 4037 OVERALL |
| NONMACHINE THREAD STYLE | DOG TYPE (TYPE B OR C) |
| NONMACHINE NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| WIDTH BETWEEN FLATS | 12.73 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | GM,4435 M,CODE A GRADE 72 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PHOSPHATE OVERALL |