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NAS1101-04-4
Machine Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4", NAS1101 series screw
Specifications
| Fastener Length | 0.219 inches minimum and 0.250 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.178 inches minimum and 0.183 inches maximum |
| Head Height | 0.059 inches minimum and 0.069 inches maximum |
| Head Style | Flat chamfer |
| Internal Drive Style | Torque set |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel |
| Screw Surface Treatment | Cadmium and chromate |
| Specification Data | 80205-nas1101 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 0.200 inches minimum and 0.250 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNC |
| Thread Size | 4 |
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.
- NAS1101E04-4 NAS #4-40 · 1/4 in · Flat chamfer
- NAS1101E04-4P NAS #4-40 · 1/4 in · Flat chamfer · Iron
- NAS1191-04T4B NAS #4-40 · 1/4 in · Flat chamfer · Steel
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Catalog data updated 2026-07-05. Report a data error