| COUNTERSINK ANGLE | 98.5 DEGREES MINIMUM AND 101.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.438 INCHES NOMINAL |
| HARDNESS RATING | 165.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM OVERALL |
| HEAD MAJOR DIAMETER | 0.280 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| HEAT TREATMENT | SOLUTION HEAT TREATED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 7229 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 347 OVERALL |
| SHANK DIAMETER | 0.154 INCHES MINIMUM AND 0.157 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |