screws › socket head cap screws
NAS1352-06-4P
MS16997-18 Socket Head Cap Screw
Description
Fastener Length: 1/4", Thread: 6-32, Head Width: 7/64", Thread Length: 1/4"
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| Fastener Length | Between 0.220 inches and 0.250 inches |
| Hardness Rating | 38.0 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 | .25, 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Minimum Yield Strength | 155000 pounds per square inch |
| Sold In | EA |
| Specification Data | 80205-nas1352 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.138 |
| Thread Direction | Right-hand |
| Thread Fraction | 6-32 |
| Thread Length | Between 0.158 inches and 0.250 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNRC |
| Thread Series Designator | UNRC |
| Weight | .005 lb |
| 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.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS1352-06-4P — functionally equivalent.
- MS16997-18 Listed alternate 32.00-32 · 1/4 in · Flat chamfer, Socket Head · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1352N06-4 NAS 1/4 in · Flat chamfer · Iron
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Catalog data updated 2026-07-05. Report a data error