Description
Introducing the Set Screws Socket Knurled Cup Point Fine Thread Alloy Thermal Black Oxide 1/4-28 X 1/2, a precision fastener designed to provide secure, vibration-resistant fastening in a compact 1/4-28 size. The combination of a socket drive, knurled cup point, and fine thread ensures reliable seating and easy installation in tight tolerances.
Constructed from alloy and finished with a thermally processed black oxide, this screw delivers durability, corrosion resistance, and a matte, low-glare finish suitable for machinery and assemblies where appearance and performance matter.
Key features
- Size and thread: 1/4-28 fine thread, 1/2 inch long
- Point geometry: Knurled cup point provides positive seating and grip to resist loosening
- Material and finish: Alloy with thermal black oxide finish for durability and corrosion resistance
- Drive type: Socket drive for secure tightening with a hex key
- Applications: Ideal for securing collars, gears, pulleys, and other components in mechanical assemblies
Whether you’re building or repairing equipment, this set screw delivers precision, reliability, and ease of use in a compact fine-thread package. Add it to your fastener selection for consistent, repeatable results.
| Pieces | 100 |
|---|---|
| Measurement type | Inch |
| Thread size | 1/4-28 |
| Length | 1/2 |
| Material | Steel |
| Grade | Alloy Steel |
| Finish | Thermal Black Oxide |
| Drive | Socket |
| Point type | Knurled Cup |
| Weight | 1.0 lb |
WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State ofCalifornia to cause cancer and birth defects or other reproductive harm. For more information go tohttps://www.P65Warnings.ca.gov.
![[100 PKG] Set Screws Socket Knurled Cup Point Fine Thread Alloy Thermal Black Oxide 1/4-28 X 1/2 Bulk Order](https://www.fixbuildtools.com/wp-content/uploads/2026/SK0013989-US20260105-083529-0-1767573332-Set_Screws_Socket_Knurled_Cup_Point_Alloy_Thermal_Black_Oxi.webp)



