#4-40 UNC Socket Set Screws, Cup Point, Stainless Steel 316 (A4)

Coarse Thread | Marine-Grade 316 Stainless Steel | Cup Point Design

Get superior fastening performance with #4-40 UNC Socket Set Screws, Cup Point. Constructed from marine-grade 316 (A4) stainless steel, these set screws provide exceptional corrosion resistance, high strength, and long-term durability. The cup point design ensures a secure grip, making them ideal for marine, industrial, and structural applications.

Key Features

• Thread Size: #4-40 UNC (Coarse Thread)
• Point Type: Cup Point for enhanced grip and stability
• Material: 316 (A4) Stainless Steel for superior corrosion resistance
• Finish: Natural Stainless Steel (Non-Magnetic in Most Cases)
• Drive Style: Hex Socket (Allen wrench required)
• Thread Profile: UNC / Coarse Thread for increased durability
• Application: Marine, offshore, industrial, and structural uses
• Bulk Availability: Cost-effective for high-volume applications

Why Choose 316 Stainless Steel Cup Point Set Screws?

Designed from 316 (A4) stainless steel, these set screws offer unmatched corrosion resistance, making them the perfect solution for marine environments, coastal applications, and chemical processing. The cup point provides excellent surface grip, ensuring secure fastening in high-vibration applications.

Ideal Applications

• Marine & Offshore Environments
• Industrial Equipment & Machinery
• High-Torque & High-Vibration Applications
• Securing Gears, Collars, & Rotating Components
• Outdoor & Structural Fastening

Installation Tips

• Use a correctly sized hex key (Allen wrench) to avoid stripping.
• Apply steady torque for a secure grip.
• Ensure surfaces are clean and dry before installation.
• For high-vibration setups, consider using a thread-locking compound.

Order in Bulk Today

Choose #4-40 UNC Socket Set Screws, Cup Point for secure, corrosion-resistant fastening in marine, industrial, and structural applications. Order now for fast shipping, bulk discounts, and professional-grade performance.

✔️ Hex socket drive for precise torque application

✔️ Cup point design ensures firm and lasting hold

✔️ 316 Stainless Steel for maximum corrosion resistance