[100 PKG] Set Screws Socket Cup Point Nylon Patch Alloy Thermal Black Oxide 1/4-20 X 7/8

Set Screws Socket Cup Point Nylon Patch Alloy Thermal Black Oxide 1/4-20 x 7/8 are engineered for secure, precise fastening in metal assemblies. The socket drive enables easy tightening, while the cup point concentrates seating pressure for a firm hold that resists loosening under vibration. A nylon patch layer helps reduce galling and protects mating surfaces, extending component life, and the alloy steel core delivers dependable strength. Finished with a durable thermal black oxide coating for enhanced corrosion resistance and a sleek, low-gloss appearance. Thread size is 1/4-20 UNC with a length of 7/8 inch.

Key Benefits

• Socket drive for quick, tool-friendly engagement.
• Cup point design provides secure seating and helps resist loosening.
• Nylon patch reduces friction, protects surfaces, and minimizes galling.
• Alloy steel ensures strong, durable performance under load.
• Thermal black oxide finish delivers corrosion resistance and a professional look.
• 1/4-20 UNC thread and 7/8" length suited for a wide range of applications.

Specifications

• Thread size: 1/4-20 UNC
• Length: 7/8 inch
• Point style: Cup point
• Drive type: Socket (internal hex)
• Material: Alloy steel
• Finish: Thermal black oxide
• Patch: Nylon patch

Typical Applications

Ideal for securing components in machinery, fixtures, and equipment where a strong, vibration-resistant fastener is required and surface protection is important. Suitable for automotive, industrial, and general mechanical assemblies where precision and longevity matter.