bolts › machine bolts
MS20034-4
Bolt
Description
Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 1.016 |
| Features Provided | Finished head |
| Grip | 1/2 in |
| Grip Length | 0.500 |
| Head Height | 0.140 inches minimum and 0.172 inches maximum |
| Head Style | Hexagon Head |
| Head Type | Hexagon |
| Industry Standards/Certification | MS20034 |
| Length | 1 1/64 in |
| 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 |
| NIIN | 00-877-5556 |
| NSN | 5306-00-877-5556 |
| Service Temperature | 1200 ºF |
| Surface Treatment | Passivate |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.516 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 0.2500-28, 1/4 |
| Weight | 0.02 lb |
| Width Between Flats | 0.428 inches minimum and 0.440 inches maximum |
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 MS20034-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error