screws › close tolerance screws
NAS1580C3T17
Close Tolerance Screw
Description
Flush Reduced Head Bolt
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Country of Origin | USA |
| Fastener Length | Between 1.410 inches and 1.440 inches |
| Hardness Rating | Between 24.0 rockwell c and 35.0 rockwell c |
| Head Diameter | Between 0.339 inches and 0.381 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-137-7289 |
| NSN | 5305-01-137-7289 |
| Screw Material | Iron alloy 660 |
| Screw Surface Treatment | Passivate |
| Screw Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Specification Data | 80205-nas1580 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.338 inches and 0.388 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
| Weight | 0.01 lb |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error