bolts › machine bolts
NAS428H4A6
Machine Bolt
Description
Fastener Length: 3/4", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 23/32
Specifications
| Fastener Length | 0.750 |
|---|---|
| Head Height | 0.141 |
| Head Style | Crowned hexagon |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.046 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 3/4 |
| 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 | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.688 inches minimum and 0.719 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.438 |
Other sizes
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Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS428H4A6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error