bolts › internal wrenching bolts
MS20008-30
Military Standard Internal Wrenching Bolt
Description
Fastener Length: 2-45/64", Thread: 1/2-20, Head Width: 3/8", Thread Length: 53/64"
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 2.673 inches and 2.703 inches |
| Hardness Rating | 34.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.818 inches and 0.828 inches |
| Head Height | 0.500 |
| Internal Drive Style | Hexagon |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl 2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.788 inches and 0.838 inches |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/2 |
| Width Across Flats | Between 0.376 inches and 0.379 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 MS20008-30. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error