bolts › close tolerance bolts
NAS337CP20
Bolt
Description
Fastener Length: 2-1/8", Thread: 7/16-20, Thread Length: 11/16"
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.922 inches nominal first hole |
| Fastener Length | 2.078 inches minimum and 2.125 inches maximum |
| Grip Diameter | 0.4358 inches minimum and 0.4367 inches maximum |
| Grip Length | 1.428 inches minimum and 1.448 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.880 inches minimum and 0.890 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 2 1/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.106 inches nominal first hole |
| Single Shear Strength | 14300 pounds per square inch |
| Specification Data | 80205-nas337 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.630 inches minimum and 0.697 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 7/16 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS337CP20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error