bolts › close tolerance bolts
NAS1635-00LE4
Bolt
Description
Fastener Length: 1/4", Thread: 0-80, Thread Length: 1/4"
Specifications
| Fastener Length | 0.220 inches minimum and 0.250 inches maximum |
|---|---|
| Head Diameter | 0.104 inches minimum and 0.116 inches maximum |
| Head Height | 0.036 inches minimum and 0.044 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Locking Feature | Pellet threads or strip threads |
| Material | Steel |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 2a |
| Thread Diameter | 0.060 |
| Thread Direction | Right-hand |
| Thread Length | 0.195 inches minimum and 0.250 inches maximum |
| Thread Qty | 80 |
| Thread Qty Per Inch (tpi) | 80 |
| Thread Series Designator | UNF |
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.
- NAS1635-00-4 NAS 1/4 in · Pan Head · CRES
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Catalog data updated 2026-07-05. Report a data error