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NAS1351-3-18P
Socket Head Cap Screw
Description
Socket Head Cap Screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 1.085 inches and 1.125 inches |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.303 inches and 0.312 inches |
| Head Height | Between 0.185 inches and 0.190 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| 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 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 cl 2 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.875 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNRF |
| Thread Series Designator | UNRF |
| Width Across Flats | Between 0.1562 inches and 0.1587 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.
- NAS1351N3-18 NAS 1-1/8 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error