screws › socket head cap screws
NAS1351C4H15
Socket Head Screw
Description
Fastener Length: 15/16", Hole Diameter: 3/64", Thread: 1/4-28, Head Width: 3/16", Thread Length: 15/16"
Specifications
| Fastener Length | 0.908 inches minimum and 0.938 inches maximum |
|---|---|
| Hardness Rating | 80.0 rockwell b minimum |
| Head Diameter | 0.365 inches minimum and 0.375 inches maximum |
| Head Height | 0.244 inches minimum and 0.250 inches maximum |
| Head Style | Flat chamfer |
| Hole Configuration Style | Round internal hexagon |
| Hole Diameter | 0.044 inches minimum and 0.050 inches maximum |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Internal Drive Style | Hexagon |
| Length | 15/16 |
| Material | CRES |
| Min. Tensile Strength (psi) | 80000 pounds per square inch |
| Minimum Yield Strength | 30000 pounds per square inch |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.837 inches minimum and 0.938 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNRF |
| Thread Size | 1/4 |
| Width Across Flats | 0.187 inches minimum and 0.190 inches maximum |
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 NAS1351C4H15. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error