| Fastener Length |
Between 0.220 inches and 0.250 inches |
| Hardness Rating |
38.0 Rockwell C to 45.0 Rockwell C |
| Head Diameter |
Between 0.262 inches and 0.270 inches |
| Head Height |
Between 0.159 inches and 0.164 inches |
| Head Style |
Flat Chamfer |
| Internal Drive Style |
Hexagon |
| Material |
Steel |
| Min. Tensile Strength (psi) |
180000 pounds per square inch |
| Minimum Yield Strength |
130000 pounds per square inch |
| Thread Diameter |
0.164 inches |
| Specification Data |
80205-nas1352 Professional/Industrial Association Standard |
| Surface Treatment |
Cadmium and Chromate |
| Surface Treatment Specification |
QQ-P-416 Type 2 Class 3 Federal Specification (Single Treatment Response) |
| Thread Class |
3A |
| Thread Direction |
Right-hand |
| Thread Length |
Between 0.158 inches and 0.250 inches |
| Thread Qty Per Inch (TPI) |
32 |
| Thread Series Designator |
UNRC |
| Width Across Flats |
Between 0.141 inches and 0.143 inches |
