| COUNTERSINK ANGLE | 148.0 DEGREES MINIMUM AND 152.0 DEGREES MAXIMUM |
| FASTENER LENGTH | 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM |
| HARDNESS RATING | 65.0 ROCKWELL B MINIMUM AND 78.0 ROCKWELL B MAXIMUM OVERALL |
| HEAD HEIGHT | 0.061 INCHES MINIMUM AND 0.069 INCHES MAXIMUM |
| HEAD MAJOR DIAMETER | 0.458 INCHES MINIMUM AND 0.478 INCHES MAXIMUM |
| HEAD STYLE | COOPER'S (INCLUDED ANGLE - 135 DEG AND OVER) |
| HOLE DEPTH | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM |
| HOLE DIAMETER | 0.289 INCHES MINIMUM AND 0.293 INCHES MAXIMUM |
| MATERIAL | COPPER ALLOY OVERALL |
| SHANK DIAMETER | 0.195 INCHES MINIMUM AND 0.200 INCHES MAXIMUM |
| SHANK STYLE | TUBULAR |