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318284
Bolt
Description
Fastener Length: 11/16", Thread: 1/4-28, Thread Length: 11/16"
Specifications
| Extended Washer Diameter | 0.428 inches minimum and 0.448 inches maximum |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum and 0.070 inches maximum |
| Fastener Length | 0.678 inches minimum and 0.698 inches maximum |
| Features Provided | Finished head |
| Hardness Rating | 30.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.320 inches minimum and 0.340 inches maximum |
| Head Style | Double hexagon extended washer |
| Length | 11/16 |
| Material | CRES |
| Material Specification | Ams 6304 assn std single material response |
| Surface Treatment | Nickel and cadmium |
| Surface Treatment Specification | Ams 2416 assn std all treatment responses |
| Thread Class | 1a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.678 inches minimum and 0.698 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.304 inches minimum and 0.313 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 318284. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error