screws › socket head cap screws
NAS1352-6-20P
MS16997-100 Socket Head Cap Screw
Description
NAS1352 series screw
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 1.210 inches and 1.250 inches |
| Hardness Rating | 38.0 rockwell c and 45.0 rockwell c |
| Head Diameter | Between 0.550 inches and 0.562 inches |
| Head Height | Between 0.368 inches and 0.375 inches |
| Head Style | Flat chamfer |
| Internal Drive Style | Hexagon |
| Length | 1.25 |
| 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 | Oxide |
| Surface Treatment Specification | Class 1 military specification single treatment response mil-c-13924 |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Fraction | 3/8-16 |
| Thread Length | Between 1.085 inches and 1.250 inches |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UNRC |
| Thread Series Designator | UNRC |
| Width Across Flats | Between 0.313 inches and 0.316 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.
- NAS1351C6-20 NAS 1-1/4 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error