bolts › machine bolts
NAS428HK4A14
Bolt
Description
Fastener Length: 1-9/16", Hole Diameter: 3/64", Thread: 1/4-28, Thread Length: 1-9/16"
Specifications
| Fastener Length | 1.500 inches minimum and 1.562 inches maximum |
|---|---|
| Grip Diameter | 0.2500 |
| Head Height | 0.141 |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.045 inches minimum and 0.050 inches maximum |
| Hole Quantity | 2 |
| Hole Type | Drilled |
| Length | 1 9/16 |
| Locking Feature | Slotted point |
| Material | Steel |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, type ii, class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| Thread Direction | Right-hand |
| Thread Length | 1.500 inches minimum and 1.562 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.428 inches minimum and 0.440 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS428HK4A5
- NAS428HK4A6
- NAS428HK4A11
- NAS428HK4A12
- NAS428HK4A13
- NAS428HK4A14
- NAS428HK4A20
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS428HK4A14. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error