bolts › machine bolts
ST3M753-8-21
Bolt
Description
Fastener Length: 2-3/32", Thread: 1/2-20, Thread Length: 49/64"
Specifications
| Extended Washer Diameter | 0.922 inches minimum and 0.932 inches maximum |
|---|---|
| Extended Washer Thickness | 0.062 inches minimum and 0.082 inches maximum |
| Fastener Length | 2.065 inches minimum and 2.095 inches maximum |
| Grip Diameter | 0.4990 inches minimum and 0.4995 inches maximum |
| Grip Length | 1.303 inches minimum and 1.323 inches maximum |
| Head Height | 0.358 inches minimum and 0.398 inches maximum |
| Head Style | Spline extended washer |
| Length | 2 3/32 |
| Material | Steel |
| Material Specification | Ams5629 assn std single material response |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.500 |
| Thread Direction | Right-hand |
| Thread Length | 0.762 inches minimum and 0.772 inches maximum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNJF |
| Thread Size | 1/2 |
| Width Between Flats | 0.547 inches minimum and 0.562 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- ST3M753-8-21
- ST3M753-8-36
- ST3M753-8-61
- ST3M753-8-82
Cross-reference
No interchangeable or dimensionally similar parts are on record for ST3M753-8-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error