screws › close tolerance screws
NAS5004-20
Screw
Description
Fastener Length: 1-5/8", Thread: 1/4-28, Thread Length: "
Specifications
| Fastener Length | 1.605 inches minimum and 1.635 inches maximum |
|---|---|
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 1.240 inches minimum and 1.260 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.473 inches minimum and 0.492 inches maximum |
| Head Height | 0.133 inches minimum and 0.150 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | Tri-wing recess |
| Length | 1 5/8 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas5004 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl3 fed spec 1st treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.2500 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS5004-20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error