| COUNTERSINK ANGLE | 99.5 DEGREES MINIMUM AND 100.5 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.349 INCHES MINIMUM AND 0.357 INCHES MAXIMUM |
| HEAD STYLE | FLUSH (FLAT) COUNTERSUNK (INCLUDED ANGLE - LESS THAN 135 DEG W OR W/O CHAMFER) |
| MATERIAL | ALUMINUM ALLOY 5056 SLEEVE |
| SHANK STYLE | STRAIGHT |
| SHANK DIAMETER | 0.155 INCHES MINIMUM AND 0.158 INCHES MAXIMUM |
| SPECIFICATION/STANDARD DATA | 80205-MS20426B5-3 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |