| FASTENER LENGTH | 99.30 MILLIMETERS MINIMUM AND 100.70 MILLIMETERS MAXIMUM |
| HEAD HEIGHT | 12.285 MILLIMETERS MINIMUM AND 12.715 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 INTERNATIONAL STD/SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL PROPERTY CLASS 10.9 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | FASTENERS-HEXAGON HEAD SCREWS-PRODUCT GRADES A AND B |
| NOMINAL THREAD DIAMETER | 20.0 MILLIMETERS |
| SPECIFICATION/STANDARD DATA | I9008-ISO 4017 INTERNATIONAL STD/SPEC |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO4042 INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD PITCH IN MILLIMETERS | 2.5 |
| THREAD SERIES DESIGNATOR | M |
| THREAD LENGTH | 99.30 MILLIMETERS MINIMUM AND 100.70 MILLIMETERS MAXIMUM |
| WIDTH BETWEEN FLATS | 29.67 MILLIMETERS MINIMUM AND 30.00 MILLIMETERS MAXIMUM |