| COUNTERSINK ANGLE | 90.0 DEGREES NOMINAL |
| EXTERNAL THREAD TOLERANCE CLASS | 6 KLEIN G |
| FASTENER LENGTH | 16.0 MILLIMETERS NOMINAL |
| HARDNESS RATING | 320.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 380.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
| HEAD DIAMETER | 15.24 MILLIMETERS MINIMUM AND 17.92 MILLIMETERS MAXIMUM |
| HEAD STYLE | FLAT COUNTERSUNK |
| INTERNAL DRIVE STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | ISO898-1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| III PURCHASE DESCRIPTION IDENTIFICATION | ISO10642-M8X16-8.8-A2K |
| MINIMUM TENSILE STRENGTH | 1040 NEWTONS PER SQUARE MILLIMETER |
| NOMINAL THREAD DIAMETER | 8.0 MILLIMETERS |
| WIDTH ACROSS FLATS | 5.0 MILLIMETERS NOMINAL |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | DIN ISO4042, SCHLUESSEL A2K ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | ZINC OVERALL |
| TEST DATA DOCUMENT | I9006-ENISO4762 STANDARD (INCLUDES INDUSTRY OR ASSOCIATION STANDARDS, INDIVIDUAL MANUFACTUREER STANDARDS, ETC.). |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 12.25 INCHES NOMINAL |
| THREAD SERIES DESIGNATOR | ISO M |
| THREAD PITCH IN MILLIMETERS | 1.25 |