screws › machine screws
39-26313-501
Screw
Description
Fastener Length: 1-1/8", Thread: 1/4-28, Thread Length: 13/16"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.062 inches minimum and 1.125 inches maximum |
| Head Diameter | 0.491 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 1 1/8 |
| Material | Steel |
| Min. Tensile Strength (psi) | 145000 pounds per square inch |
| Screw Material | Steel |
| Screw Surface Treatment | Cadmium |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.685 inches minimum and 0.819 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for 39-26313-501. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error