bolts › internal wrenching bolts
MS20004-9
Bolt
Description
Length: 1-1/16", grip: 9/16", thread: 1/4-28, internal wrenching, cadmium plated alloy steel
Specifications
| Country of Origin | USA |
|---|---|
| Drive Style | Hexagon |
| Fastener Length | Between 1.047 inches and 1.077 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.428 inches and 0.438 inches |
| Head Height | 0.250 |
| Head Style | Bevel-conical |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| NIIN | 00-550-0201 |
| NSN | 5306-00-550-0201 |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.500 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Weight | 0.02 lb |
| Width Across Flats | Between 0.188 inches and 0.190 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS20004-9. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error