bolts › close tolerance bolts
NAS144DH9
Close Tolerance Bolt
Description
Fastener Length: 1/2", Thread: 1/4-28, Head Width: 7/32", Thread Length: 1/2
Specifications
| Fastener Length | 0.562 |
|---|---|
| Head Diameter | 0.430 inches minimum and 0.438 inches maximum |
| Head Height | 0.226 |
| Internal Drive Style | Hexagon |
| Length | 1/2 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec single material response or mil-s-6049 mil spec single material response or mil-s-8503 mil spec single material response or an-qq-s-690 fed spec single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Special Features | 6 drilledholes |
| Specification Data | 80205-nas144dh9 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.485 inches minimum and 0.515 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Across Flats | 0.219 inches minimum and 0.221 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS144DH9
- NAS144DH10
- NAS144DH11
- NAS144DH12
- NAS144DH15
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS144DH9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error