screws › socket head cap screws
NAS1351-06-12
Socket Head Cap Screw
Description
Fastener Length: 3/4", Thread: 6-40, Head Width: 7/64", Thread Length: 3/4
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 0.720 inches and 0.750 inches |
| Hardness Rating | 36.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.218 inches and 0.226 inches |
| Head Height | Between 0.134 inches and 0.138 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 3/4 |
| Material | Steel |
| Material Specification | 66 federal standard single material response |
| 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 |
| Surface Treatment | Oxide |
| Surface Treatment Specification | Cl 1 military specification single treatment response mil-c-13924 |
| Thread Class | 3a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.670 inches and 0.750 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Thread Size | 6 |
| Width Across Flats | Between 0.109 inches and 0.111 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1351-06-6P
- NAS1351-06-12
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.
- NAS1351C06-12 NAS #6-40 · 3/4 in · Flat chamfer · CRES
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error