screws › socket head cap screws
NAS1351-04-4
Socket Head Cap Screw
Description
Fastener Length: 1/4", Thread: 4-48, Head Width: 3/32", Thread Length: 1/4
Specifications
| Fastener Length | 0.220 inches minimum and 0.250 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 45.0 rockwell c maximum |
| Head Diameter | 0.176 inches minimum and 0.183 inches maximum |
| Head Height | 0.108 inches minimum and 0.112 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.178 inches minimum and 0.250 inches maximum |
| Thread Qty | 48 |
| Thread Qty Per Inch (tpi) | 48 |
| Thread Series Designator | UNRF |
| Thread Size | 4 |
| Width Across Flats | 0.094 inches minimum and 0.095 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1351-04-4
- NAS1351-04-6
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1351-04-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error