bolts › close tolerance bolts
NAS1221R08V7
Bolt
Description
Fastener Length: 25/32", Thread: 8-32, Thread Length: 5/16"
Specifications
| Bearing Surface Of Head Surface Finish | 32.0 microinches |
|---|---|
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
| Fastener Length | 0.7605 inches minimum and 0.7905 inches maximum |
| Head Diameter | 0.294 inches minimum and 0.332 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque-set ribbed |
| Length | 25/32 |
| Material | Titanium |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Titanium alloy uns r56400 |
| Screw Material Specification | Ams 4928 assn std single material response or ams 4967 assn std single material response |
| Specification Data | 80205-nas1221 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.338 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
| Thread Surface Finish | 32.0 microinches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1221R08V4
- NAS1221R08V6
- NAS1221R08V7
- NAS1221R08V8
- NAS1221R08V12
- NAS1221R08V24
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.
- NAS1221R08E7 NAS #8-32 · 25/32 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error