bolts › machine bolts
AN106550
Aeronautical Standard Machine Bolt
Description
Fastener Length: 4-3/4", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 47/64
Specifications
| Fastener Length | 4.740 inches minimum and 4.760 inches maximum |
|---|---|
| Features Provided | Finished head |
| Grip Length | 3.940 inches minimum and 4.000 inches maximum |
| Head Height | 0.178 inches minimum and 0.198 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon longitudinal hole |
| Hole Diameter | 0.070 |
| Hole Quantity | 1 |
| Hole Type | Drilled |
| Length | 4 3/4 |
| Material | CRES |
| Material Specification | Ams 5637 assn std single material response |
| Surface Finish | 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.669 inches minimum and 0.749 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN106550. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error