bolts › machine bolts
953528-538
Bolt
Description
Fastener Length: 2-1/2", Hole Diameter: 1/32", Thread: 1/4-28, Thread Length: 1-"
Specifications
| Extended Washer Diameter | 0.428 inches minimum and 0.448 inches maximum |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum and 0.070 inches maximum |
| Fastener Length | 2.500 |
| Features Provided | Finished head |
| Grip Length | 1.500 inches maximum |
| Head Height | 0.320 inches minimum and 0.340 inches maximum |
| Head Style | Double hexagon w/hole |
| Hole Configuration Style | Double hexagon longitudinal hole |
| Hole Diameter | 0.032 inches minimum and 0.042 inches maximum |
| Hole Quantity | 4 |
| Hole Type | Drilled |
| Length | 2 1/2 |
| Material | Steel |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 1.000 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.300 inches minimum and 0.313 inches maximum |
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 953528-538. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error