bolts › machine bolts
STD3053-25
Bolt
Description
Fastener Length: 5/8", Hole Diameter: 1/16", Thread: 1/4-28, Thread Length: 5/8"
Specifications
| Fastener Length | 0.615 inches minimum and 0.635 inches maximum |
|---|---|
| Features Provided | Finished head |
| Hardness Rating | 26.0 rockwell c minimum and 32.0 rockwell c maximum |
| Head Height | 0.240 inches minimum and 0.260 inches maximum |
| Head Style | Hexagon Head |
| Hole Configuration Style | Hexagon flats |
| Hole Diameter | 0.070 |
| Hole Quantity | 6 |
| Hole Type | Drilled |
| Length | 5/8 |
| Material | Steel |
| Material Specification | Ams 6322 assn std single material response |
| Surface Finish | 32.0 microinches threads, 63.0 microinches grip |
| Surface Treatment | Oxide |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.544 inches minimum and 0.635 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- STD3053-2
- STD3053-3
- STD3053-25
- STD3053-31
Cross-reference
No interchangeable or dimensionally similar parts are on record for STD3053-25. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error