bolts › shear bolts
NAS6604D13
Shear Bolt
Description
length: 1.237", grip: 0.812", thread: 1/4-28, hex head, drilled shank, tension, long thread, cadmium plated alloy steel
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.034 inches first hole and 1.084 inches first hole |
|---|---|
| Fastener Length | Between 1.222 inches and 1.252 inches |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.802 inches and 0.822 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Dished hexagon |
| Length | 1 1/4 |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole and 0.086 inches first hole |
| Specification Data | 80205-nas6604 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification single treatment response qq-p-416 type 2 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.400 inches and 0.450 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1304-13D NAS 1/4-28 · 0.073 in · Dished hexagon · Steel
- NAS6604CD13 NAS 1/4-28 · 0.073 in · Dished hexagon · Steel
- NAS6704-13 NAS 1/4-28 · 0.073 in · Dished hexagon · Iron
- NAS6704DU13 NAS 1/4-28 · 0.073 in · Dished hexagon · Iron
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error