| FASTENER LENGTH | 20.0 MILLIMETERS NOMINAL |
| HEAD HEIGHT | 3.35 MILLIMETERS MINIMUM AND 3.65 MILLIMETERS MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL | STEEL PROPERTY CLASS 8.8 OVERALL |
| PART NAME ASSIGNED BY CONTROLLING AGENCY | HEXAGON HEAD SCREWS-PRODUCT GRADES A AND B |
| NOMINAL THREAD DIAMETER | 5.0 MILLIMETERS |
| SPECIFICATION/STANDARD DATA | I9008-ISO4017 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | ISO4042,2 COATS,COLORLESS INTERNATIONAL STD/SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| THREAD CLASS | 6G |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 20.0 MILLIMETERS NOMINAL |
| THREAD PITCH IN MILLIMETERS | 0.8 |
| THREAD SERIES DESIGNATOR | M |
| WIDTH BETWEEN FLATS | 7.78 MILLIMETERS MINIMUM AND 8.00 MILLIMETERS MAXIMUM |