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NAS1005-18A
Machine Bolt
Description
Fastener Length: 1-3/4", Thread: 1/4-24, Thread Length: 5/8
Specifications
| Fastener Length | 1.757 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 1.125 |
| Head Height | 0.188 |
| Head Style | Hexagon Head |
| Length | 1 3/4 |
| Material | Iron |
| Material Specification | Ams5732 assn std single material response or ams5737 assn std single material response |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Special Features | Tensile strength at room temperature |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.632 inches minimum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.492 inches minimum and 0.501 inches maximum |
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.
- NAS1005-18 NAS 1/4-24 · 0.073 in · Hexagon Head · Iron
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Catalog data updated 2026-07-05. Report a data error