bolts › close tolerance bolts
NAS1635-00-4
Close Tolerance Bolt
Description
Fastener Length: 1/4", Thread: 0-80, Thread Length: 1/4
Specifications
| Fastener Length | Between 0.230 inches and 0.250 inches |
|---|---|
| Head Diameter | Between 0.104 inches and 0.116 inches |
| Head Height | Between 0.036 inches and 0.044 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | CRES |
| Screw Material | Stainless steel |
| Screw Surface Treatment | Passivate |
| Thread Class | 2a |
| Thread Diameter | 0.060 |
| Thread Direction | Right-hand |
| Thread Length | 0.250 |
| Thread Qty | 80 |
| Thread Qty Per Inch (tpi) | 80 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1635-00-2
- NAS1635-00-2P
- NAS1635-00-4
- NAS1635-00-8
- NAS1635-00-10
- NAS1635-00-12
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.
- NAS1635-00LE4 NAS 1/4 in · Pan Head · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error