| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G |
| FASTENER LENGTH | 40.0 MILLIMETERS NOMINAL |
| HARDNESS RATING | 230.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM OVERALL AND 300.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
| HEAD DIAMETER | 16.0 MILLIMETERS NOMINAL |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | DIN ISO898TEIL1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| SPECIAL FEATURES | 640 NEWTONS PER SQ MM O/A OFFSET YIELD STRENGTH; 800 NEWTONS PER SQ MM MINIMUM TENSILE STRENGTH |
| WIDTH ACROSS FLATS | 5.0 MILLIMETERS NOMINAL |
| STRENGTH GRADE DESIGNATION | 8.8 |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN267TEIL9, SCHLUESSEL A2P ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| TEST DATA DOCUMENT | D8286-DIN7991 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 31.8 MILLIMETERS NOMINAL |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 1.25 |