screws › close tolerance screws
NAS8704-4
Close Tolerance Screw
Description
Close Tolerance Screw
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.605 inches minimum and 0.635 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.240 inches minimum and 0.260 inches maximum |
| Head Diameter | 0.355 inches minimum and 0.397 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Material | Iron |
| Material Specification | Ams5731 assn std single material response or ams5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas8704 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS8704-3
- NAS8704-4
- NAS8704-7
- NAS8704-12
- NAS8704-20
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS8704-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error