bolts › internal wrenching bolts
MS20007-50
Military Standard Internal Wrenching Bolt
Description
Fastener Length: 3-61/64", Thread: 7/16-20, Head Width: 5/16", Thread Length: 25/32", MS20007 series bolt
Specifications
| Drive Style | Hexagon |
|---|---|
| Fastener Length | Between 3.923 inches and 3.953 inches |
| Hardness Rating | 34.0 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 |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 2 federal specification all treatment responses type 2 qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.787 |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| 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
No interchangeable or dimensionally similar parts are on record for MS20007-50. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error