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NAS1081-08A4
Setscrew
Description
Fastener Length: 1/4", Thread: 8-32, Head Width: 5/64", Thread Length: 1/4"
Specifications
| Fastener Length | 0.250 |
|---|---|
| Hardness Rating | 45.0 rockwell c minimum and 53.0 rockwell c maximum |
| Head Style | Headless (setscrew) |
| Internal Drive Style | Offset cruciform (torque set) |
| Locking Feature | Strip threads |
| Material | Steel |
| Material Specification | Aisi assn std all material responses |
| Point Style | Flat |
| Specification Data | 80205-nas1081 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 inches minimum |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNC |
| Width Across Flats | 0.078 inches minimum and 0.079 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1081-08A2
- NAS1081-08A4
- NAS1081-08A5
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.
- NAS1081-08D4 NAS 1/4 in · Headless (setscrew) · Steel
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Catalog data updated 2026-07-05. Report a data error