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ST3M497-4-5
Bolt
Description
Fastener Length: 47/64", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Fastener Length | 0.693 inches minimum and 0.740 inches maximum |
|---|---|
| Head Height | 0.154 inches minimum and 0.174 inches maximum |
| Head Style | Double hexagon |
| Length | 47/64 |
| Material | Steel |
| Shoulder Diameter | 0.264 inches minimum first shoulder and 0.265 inches maximum first shoulder |
| Shoulder Length | 0.302 inches minimum first shoulder and 0.322 inches maximum first shoulder |
| Shoulder Shape | Round first shoulder |
| Specification Data | 76301-st3-497 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.371 inches minimum and 0.438 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 inches maximum |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- ST3M507-4-5 Other 1/4-28 · 0.734 in · Double hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error