bolts › close tolerance bolts
NAS1581A3H2
Close Tolerance Bolt
Description
Length: 1/2", Thread: 10-32, Thread Length: 23/64", NAS1581 series bolt
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.473 inches minimum and 0.503 inches maximum |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.115 inches minimum and 0.135 inches maximum |
| Head Diameter | 0.3047 |
| Head Height | 0.049 |
| Head Style | Flat countersunk undercut |
| Internal Drive Style | High-torque |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 1600 pounds per square inch |
| Specification Data | 80205-nas1581 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.363 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1581A3H2
- NAS1581A3H3
- NAS1581A3H3T
- NAS1581A3H5
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1581A3H2. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error