bolts › shear bolts
NAS6704D34
Bolt
Description
Fastener Length: 2-35/64", Thread: 1/4-28, Thread Length: 27/64"
Specifications
| Color | Green threads |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.372 inches nominal first hole |
| Fastener Length | 2.550 |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 2.125 |
| Head Height | 0.125 |
| Head Style | Dished hexagon |
| Length | 2 35/64 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Part Name Assigned By Controlling Agency | Bolt, tension, hex head |
| Shank Unthreaded Hole Diameter | 0.076 inches nominal first hole |
| Special Features | Close tolerance, a286, cres, long thread, reduced major thread dia, self locking and non locking 160 ksi ftu |
| Surface Treatment | Cadmium and chromate |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| 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 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- NAS1304-34D NAS 1/4-28 · 0.086 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error