screws › machine screws
SC5050-4-13
Screw
Description
Fastener Length: 1-5/16", Thread: 1/4-28, Thread Length: "
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 1.293 inches minimum and 1.323 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.802 inches minimum and 0.822 inches maximum |
| Head Diameter | 0.456 inches minimum and 0.508 inches maximum |
| Head Style | Flat countersunk |
| Length | 1 5/16 |
| Locking Feature | Slotted head |
| Material | Steel |
| Material Specification | Nas 498 assn std single material response |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416, type ii class2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.370 |
| 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 SC5050-4-13. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error