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NAS6604D39
Bolt
Description
Fastener Length: 2-55/64", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.797 inches minimum first hole and 2.817 inches maximum first hole |
|---|---|
| Fastener Length | 2.853 inches minimum and 2.873 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 2.428 inches minimum and 2.448 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Undercut hexagon |
| Length | 2 55/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches nominal first hole |
| Specification Data | 80205-nas6604 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416a,ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.425 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.429 inches minimum and 0.439 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6604D39. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error