bolts › machine bolts
MS9886-08
Military Standard Bolt
Description
Fastener Length: 5/8", Thread: 1/4-28, Thread Length: 1/2"
Specifications
| Extended Washer Diameter | 0.458 |
|---|---|
| Extended Washer Thickness | 0.080 |
| Fastener Length | 0.625 |
| Grip Length | 0.079 inches minimum and 0.099 inches maximum |
| Hardness Rating | 32.0 rockwell c minimum and 38.0 rockwell c maximum |
| Head Height | 0.303 |
| Head Style | Double hexagon extended washer |
| Length | 5/8 |
| Material | Steel |
| Material Specification | Ams5616 assn std single material response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.495 inches minimum and 0.515 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.3125 |
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 MS9886-08. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error