[100 PKG] Set Screws Socket Knurled Cup Point Fine Thread Alloy Thermal Black Oxide 1/4-28 X 5/16

Set Screws Socket Knurled Cup Point Fine Thread Alloy Thermal Black Oxide 1/4-28 X 5/16 is a precision fastener engineered for secure, slip-resistant clamping in a variety of assemblies. Featuring a socket drive, knurled cup point, and a fine thread, this screw delivers reliable grip and accurate advancement in tight tolerances.

• Material: Alloy steel for strength and durability
• Finish: Thermal black oxide for enhanced corrosion resistance and a sleek appearance
• Thread size: 1/4-28 fine thread for precise engagement
• Length: 5/16 inch (overall length), suitable for compact assemblies
• Drive type: Socket (internal hex) drive for recessed, low-profile installation
• Point design: Knurled cup point provides positive bite and even clamping force

Designed for secure retention without marring mating surfaces, this set screw is ideal for fixtures, tooling, automotive components, and machinery assemblies that require accurate positioning and dependable holding power. The fine thread integrates smoothly with mating components for fine adjustment, while the knurled cup point minimizes slip under vibration or dynamic loads.

Applications include precision equipment fixturing, shaft collars, pulleys, and stop assemblies where a compact, high-strength fastener is essential. Perfect for workshops, manufacturing, and engineering projects that demand durable, corrosion-resistant hardware with a clean, professional finish.

Incorporate these set screws into your next build and enjoy secure, repeatable performance with every installation. Add to cart now to ensure your assemblies stay precisely aligned and firmly held.