screws › socket head cap screws
NAS1351N4H12
Socket Head Cap Screw
Description
Fastener Length: 3/4", Hole Diameter: 3/64", Thread: 1/4-28, Head Width: 3/16", Thread Length: 3/4", drilled
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.72 inches and 0.75 inches |
| Head Diameter | Between 0.365 inches and 0.375 inches |
| Head Height | Between 0.244 inches and 0.25 inches |
| Head Style | Flat chamfer |
| Hole Configuration Style | Round internal hexagon |
| Hole Diameter | Between 0.044 inches and 0.05 inches |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response or ams5737 assn standard single material response |
| 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 | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.649 inches and 0.750 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 1/4 |
| Width Across Flats | Between 0.1875 inches and 0.1900 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.
- NAS1351C4H12 NAS 1/4-28 · 3/4 in · Flat chamfer · Steel
- NAS1351C4H12P NAS 1/4-28 · 3/4 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error