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NAS6605D18
Close Tolerance Bolt - Drilled Shank
Description
Close Tolerance Bolt - Drilled Shank
Specifications
| Country of Origin | USA |
|---|---|
| Distance From Head Largest Bearing Surface To Shank Hole Center | 1.388 inches minimum first hole and 1.438 inches maximum first hole |
| Fastener Length | 1.579 inches minimum and 1.609 inches maximum |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 1.115 inches minimum and 1.135 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.156 inches minimum and 0.171 inches maximum |
| Head Style | Dished hexagon |
| Length | 1 39/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams6322 assn std 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-195-5026 |
| NSN | 5306-01-195-5026 |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Specification Data | 80205-nas6605 professional/industrial association standard |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty2,cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.444 inches minimum and 0.494 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Weight | 0.04 lb |
| Width Between Flats | 0.492 inches minimum and 0.502 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error