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NAS600-4B
Machine Screw
Description
Fastener Length: 1/4", Thread: 4-40, Thread Length: 1/4
Specifications
| Color | Black |
|---|---|
| Fastener Length | Between 0.220 inches and 0.250 inches |
| Head Diameter | Between 0.205 inches and 0.219 inches |
| Head Height | Between 0.070 inches and 0.080 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | Ams 6300 assn standard 1st material response or mil-s-6050 military specification 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Type 2 cl 2 federal specification single treatment response qq-p-416 |
| Specification Data | 80205-nas600 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.170 inches and 0.250 inches |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error