Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 5/16 is a precision fastener engineered for secure retention in a wide range of mechanical assemblies. With a knurled cup point and alloy steel core finished in thermal black oxide, these socket set screws deliver strong grip, reduced marring, and reliable performance in demanding environments.

Key features:

• Drive type: Socket (internal hex) for a low-profile, tool-friendly installation with an Allen wrench.
• Point style: Knurled cup point for positive contact, better torque transfer, and resistance to loosening from vibration.
• Material: Alloy steel for strength and durability.
• Finish: Thermal black oxide for corrosion resistance and a clean, understated appearance.
• Size: Thread 5-40 UNC; Length 5/16 in; optimized for precision alignment and secure seating.
• Applications: ideal for securing gears, pulleys, collars, and other components where a precise, non-marring hold is essential.

How to use: Insert and tighten with the appropriate Allen wrench until the screw seats securely against the surface. For best results, preload and torque to the requirements of your specific application.

Whether you’re outfitting a shop, repair kit, or manufacturing line, these Set Screws Socket Knurled Cup Point Alloy Thermal Black Oxide 5-40 X 5/16 combine dependable strength with a clean finish to keep your assemblies running smoothly.

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.