| COUNTERSINK ANGLE | 118.5 DEGREES MINIMUM AND 121.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM |
| HEAD HEIGHT | 0.042 INCHES NOMINAL |
| HEAD MAJOR DIAMETER | 0.210 INCHES MAXIMUM |
| HEAD STYLE | COUNTERSUNK W/ REVERSE CHAMFER |
| HEAT TREATMENT | T-4 SOLUTION HEAT TREATED OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-430 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | ALUMINUM ALLOY 2117 OVERALL |
| MINIMUM TENSILE STRENGTH | 38000 POUNDS PER SQUARE INCH |
| MINIMUM YIELD STRENGTH | 18000 POUNDS PER SQUARE INCH |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| SHANK STYLE | STRAIGHT |
| SHEAR STRENGTH | 26000 SINGLE POUNDS PER SQUARE INCH |