bolts › machine bolts
NAS428-6A12
Machine Bolt
Description
Fastener Length: 1-5/16", Thread: 3/8-24, Thread Length: 1-25/32"
Specifications
| Fastener Length | Between 1.250 inches and 1.312 inches |
|---|---|
| Grip Length | Between 0.031 inches and 0.062 inches |
| Head Height | Between 0.193 inches and 0.213 inches |
| Head Style | Crowned hexagon |
| Material | Steel |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.688 inches and 1.781 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 3/8 |
| Width Between Flats | Between 0.553 inches and 0.565 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS428-6A12
- NAS428-6A14
- NAS428-6A22
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS428-6A12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error