bolts › machine bolts
MS9209-30
Military Standard Bolt
Description
Fastener Length: 2-1/4", Thread: 1/4-28, Thread Length: 3/4"
Specifications
| Extended Washer Diameter | 0.438 |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum and 0.070 inches maximum |
| Fastener Length | 2.250 |
| Grip Diameter | 0.222 inches minimum and 0.232 inches maximum |
| Head Height | 0.330 |
| Head Style | Double hexagon w/hole |
| Length | 2 1/4 |
| Material | Steel |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 inches minimum and 0.810 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.305 inches minimum and 0.313 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 MS9209-30. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error