Secure and align parts with our Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5/16-18 X 1 1/4. These fasteners combine a socket drive with a knurled cup point to deliver reliable holding power in tight spaces. Crafted from alloy and finished in thermal black oxide, they resist wear and corrosion while maintaining a low-profile appearance in assemblies.

Key features

• Socket drive: Internal hex socket for easy, tool-friendly engagement.
• Knurled cup point: Improves grip and seating under load for consistent performance.
• Alloy construction: Durable and capable of withstanding regular use.
• Thermal black oxide finish: Provides corrosion resistance and a low-glare finish.
• Size: 5/16-18 thread, 1-1/4 inch length.

Technical specifications

• Thread size: 5/16-18
• Length: 1 1/4 in
• Drive type: Socket (internal hex)
• Point style: Knurled Cup Point
• Material: Alloy
• Finish: Thermal Black Oxide

Ideal for securing components in machinery, tooling, and equipment where precise alignment and a robust hold are required. This set screw fits standard 5/16-18 threaded holes and accommodates quick adjustments with common hex tools.

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.