NAS1352C4-14
ScrewsSocket Head Cap Screw
Fastener Length: 7/8″, Thread: 1/4-20, Head Width: 3/16″, Thread Length: 7/8″
Description
| Specification | Details |
|---|---|
| Thread Series Designator | UNRC |
| Thread Direction | Right-hand |
| Thread Length | Between 0.745 inches and 0.875 inches |
| Thread Qty Per Inch (TPI) | 20 |
| Thread Diameter | 0.25 inches |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Specification Data | 80205-NAS1352 Professional/Industrial Association Standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | QQ-P-35 Federal Specification (Single Treatment Response) |
| Thread Class | 3A |
| Material Specification |
66 Federal Standard (1st–5th material response) or ASTM A493 Association Standard (6th material response) |
| Material | Steel |
| Head Style | Flat Chamfer |
| Internal Drive Style | Hexagon |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Hardness Rating | 80.0 Rockwell B |
| Fastener Length | Between 0.845 inches and 0.875 inches |
| Width Across Flats | Between 0.188 inches and 0.190 inches |
