bolts › internal wrenching bolts
MS20007-26
Military Standard Internal Wrenching Bolt
Description
Fastener Length: 2-7/16", Thread: 7/16-20, Head Width: 5/16", Thread Length: 3/4
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | 2.438 |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.740 inches and 0.750 inches |
| Head Height | 0.438 |
| Head Style | Bevel-conical |
| Internal Drive Style | Hexagon |
| Length | 2 7/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.812 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 7/16 |
| Width Across Flats | Between 0.313 inches and 0.315 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS20007-32 MS 7/16-20 · 0.086 in · Bevel-conical · Steel
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Catalog data updated 2026-07-05. Report a data error