Cap Screws Button Socket – Fine-thread 1/4-28, length 5/8″, nylon patch, alloy material with a thermal black oxide finish. This low-profile fastener combines strength, precision, and surface protection for a variety of assemblies.

Key features

• Thread: 1/4-28, fine-pitch for a secure, precise fit
• Head style: Button Socket for a compact, clean appearance
• Material: Alloy with durable properties
• Finish: Thermal black oxide for corrosion resistance and a sleek look
• Nylon patch: Under-head nylon patch provides surface protection and insulation
• Length: 5/8 inch

Applications

Ideal for electronics enclosures, precision machinery, automotive assemblies, and other applications requiring a small, strong fastener with a flush profile.

Materials and finish

Constructed from a robust alloy and finished with a thermally treated black oxide. The built-in nylon patch adds protection for delicate surfaces while helping dampen vibration in precision assemblies.

Specifications

• Thread: 1/4-28 (fine)
• Length: 5/8 in
• Head style: Button Socket
• Finish: Black Oxide
• Material: Alloy
• Under-head feature: Nylon Patch