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NAS6204-13D
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 | 0.987 inches minimum first hole and 1.037 inches maximum first hole |
| Drilling | Drilled Head |
| Fastener Length | 1.167 inches minimum and 1.197 inches maximum |
| Grip | .813, 0.812 in |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.802 inches minimum and 0.822 inches maximum |
| Grip Tolerance | ±0.010 in |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Dished hexagon |
| Head Type | Hexagon |
| Industry Standards/Certification | NAS6204 |
| Length | 1 3/16, 1.182 in, 1.183 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 01-063-1003 |
| NSN | 5306-01-063-1003 |
| Obsolete PN | NAS1104-13 |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Specification Data | 80205-nas6204 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.345 inches minimum and 0.395 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 0.2500-28, 1/4 |
| Weight | 0.002 lb |
| Width Between Flats | 0.429 inches minimum and 0.439 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error