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NAS6204-7H
Close Tolerance Bolt-Drilled Head
Description
Length: 0.808", grip: 0.438", thread: 1/4-28, hex head, driller, tension, short thread, cadmium plated alloy steel
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.793 inches and 0.823 inches |
| Grip | 0.438 in |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.428 inches and 0.448 inches |
| Grip Tolerance | ±0.010 in |
| Hardness Rating | 36.0 rockwell and 40.0 rockwell |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Dished hexagon |
| Head Type | Drilled Hexagon |
| Hole Configuration Style | Hexagon corners |
| Hole Diameter | 0.051 |
| Hole Quantity | 3 |
| Hole Type | Drilled |
| Industry Standards/Certification | NAS6204 |
| Length | 0.808 in |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6204 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2 class 2 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.345 inches and 0.395 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.2500-28, 1/4 |
| Weight | .0015 lb |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6204-7H. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error