Set Screws Socket Cup Point Fine Thread Nylon Patch Alloy Thermal Black Oxide 1/4-28 X 5/16 delivers precision fastening with a surface-friendly bite. Designed for secure seating in delicate or soft materials, this socket drive screw combines a cup point, nickel-safe nylon patch, and a tough alloy core for reliable performance in demanding assemblies.

• Thread size and length: 1/4-28 fine thread, 5/16 in long
• Material: High-strength alloy with a nylon patch insert to protect mating surfaces and reduce marring
• Finish: Thermal black oxide for corrosion resistance and reduced glare in work environments
• Point style: Cup point provides positive seating and helps resist loosening under vibration
• Drive type: Socket (hex) drive for easy installation with a standard hex key
• Applications: Ideal for fixtures, jigs, clamps, and assemblies where secure, protected seating is required

Trust this nylon-patched, cup-point set screw to deliver durable performance, protect surfaces, and maintain precise holding power in a compact 1/4-28 size. Add it to your toolkit for reliable fastening in woodworking, metalworking, and equipment assemblies.

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.