bolts › machine bolts
NAS565-57
Machine Bolt
Description
Fastener Length: 1-13/16", Hole Diameter: 5/64", Thread: 1/4-24, Thread Length: 1-13/16", NAS565 series bolt
Specifications
| Fastener Length | Between 1.765 inches and 1.812 inches |
|---|---|
| Features Provided | Finished head |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | 0.281 |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon corners |
| Hole Diameter | Between 0.070 inches and 0.080 inches |
| Hole Quantity | 3 |
| Hole Type | Drilled |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas565 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Ty2 cl2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 1.682 inches and 1.812 inches |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.490 inches and 0.502 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS565-57. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error