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NAS514P440-6B
Machine Screw
Description
Fastener Length: 3/8", Thread: 4-40", coarse thread, flat countersunk head, NAS514 series screw
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.375 |
| Hardness Rating | Between 26.0 rockwell c and 32.0 rockwell c |
| Head Diameter | Between 0.183 inches and 0.225 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 3/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 125000 pounds per square inch |
| Screw Material | Steel |
| Screw Surface Treatment | Cadmium and chromate |
| Thread Class | 2a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series | UNC |
| Thread Series Designator | Unc (coarse thread) |
| Thread Size | 4 |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error