screws › socket head cap screws
NAS1351N3H8
Socket Head Cap Screw
Description
flat head, drilled
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.47 inches and 0.5 inches |
| Hardness Rating | 46 rockwell and 50 rockwell |
| Head Diameter | Between 0.303 inches and 0.312 inches |
| Head Height | Between 0.185 inches and 0.190 inches |
| Head Style | Flat chamfer |
| Hole Configuration Style | Round longitudinal hole |
| Hole Diameter | Between 0.044 inches and 0.05 inches |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Internal Drive Style | Hexagon |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response or ams5737 assn standard single material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| Nondefinitive Specification/Std Data | 6 type |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.19 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.408 inches and 0.500 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Width Across Flats | Between 0.156 inches and 0.159 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1351N3H8. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error