screws › socket head cap screws
NAS1351-4-14
Socket Head Cap Screw
Description
Fastener Length: 7/8", Thread: 1/4-28, Head Width: 3/16", Thread Length: 7/8
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| Fastener Length | Between 0.845 inches and 0.875 inches |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.250 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 7/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| Sold In | Per Package |
| Specification Data | 80205-nas1351 professional/industrial association standard |
| Surface Treatment | Oxide |
| Surface Treatment Specification | Mil-c-13924 cl1 military specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.774 inches and 0.875 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 1/4 |
| Weight | 0.02 lb |
| Width Across Flats | Between 0.188 inches and 0.190 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1351-4LE14P NAS 1/4-28 · 7/8 in · Flat chamfer · Steel
- NAS1351C4-14 NAS 1/4-28 · 7/8 in · Flat chamfer · CRES
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Catalog data updated 2026-07-05. Report a data error