Baked Black Oxide with Nylon Patch Cup Point Socket Set Screws

The baked black oxide with nylon patch cup point socket set screw is a high-performance fastening solution engineered for precision, durability, and vibration resistance. These screws are commonly used in automotive, aerospace, manufacturing, and mechanical assemblies where maintaining a tight grip under dynamic loads is critical.

The cup point design provides a sharp, concave tip that bites securely into the mating material, offering excellent holding power without damaging softer surfaces. This makes them ideal for securing shafts, pulleys, collars, gears, and knobs, especially where permanent or semi-permanent placement is required.

The baked black oxide finish not only enhances corrosion resistance but also delivers a low-glare, professional appearance that’s perfect for exposed applications. This surface treatment also improves lubricity, which makes installation smoother and reduces galling.

The standout feature is the nylon patch, a pre-applied locking element that provides resistance to loosening due to vibration or thermal expansion. The nylon patch creates a snug, reusable friction fit within tapped holes, eliminating the need for separate thread-locking compounds and ensuring long-lasting security in critical installations.

Specifications include:

• Drive Type: Internal hex (socket)

• Point Type: Cup point

• Material: Alloy steel

• Finish: Baked black oxide

• Locking Feature: Nylon patch

• Standards: ASME B18.3

• Sizes: Common sizes from #4-40 to 1/2-13 and metric equivalents

If you’re seeking a durable, vibration-resistant fastener with a sleek finish and locking power built in, the baked black oxide cup point set screw with nylon patch is the top-tier choice. Ideal for high-performance environments, it delivers reliability where it matters most.

Need help choosing the right size or spec? Our team is here to assist with custom solutions.