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MS20038-4
Military Standard Machine Bolt
Description
Fastener Length: 1-21/64", Thread: 1/2-20, Thread Length: 53/64"
Specifications
| Fastener Length | 1.328 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 0.500 |
| Head Height | 0.265 inches minimum and 0.297 inches maximum |
| Head Style | Hexagon Head |
| Length | 1 5/16 |
| Material | Steel |
| Material Specification | Mil-b-7874 mil spec single material response |
| Min. Tensile Strength (psi) | 110000 pounds per square inch |
| Minimum Yield Strength | 90000 pounds per square inch |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.828 inches minimum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 1/2 |
| Width Between Flats | 0.740 inches minimum and 0.752 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS20038-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error