bolts › machine bolts
MS9958-09
Military Standard Machine Bolt
Description
Fastener Length: 11/16", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 9/16", drilled, MS9958 series bolt
Specifications
| Fastener Length | 0.688 |
|---|---|
| Hardness Rating | 26.0 rockwell c and 32.0 rockwell c |
| Head Height | 0.250 |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Material | Steel |
| Material Specification | Ams 6322 assn standard single material response |
| Surface Finish | 32.0 microinches grip, 32.0 microinches primary washer, 32.0 microinches threads |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Ams 2400 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.589 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.430 inches and 0.439 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS9958-09. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error