screws › socket head cap screws
NAS1189-08P16KW
Self Locking Screw
Description
Self Locking Screw
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Country of Origin | USA |
| Fastener Length | 0.969 inches minimum and 1.000 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.270 |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 0 63/64 |
| Locking Feature | Pellet threads |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Sold In | Per Package |
| Specification Data | 80205-nas1189 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 ty1 cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.839 inches minimum and 0.932 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
| Weight | .005 lb |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error