5/16"-18 Socket Set Screws, Cup Point, Alloy Steel, Thermal Black Oxide

Coarse Thread | High-Strength Alloy Steel | Cup Point Design

Secure critical assemblies with 5/16"-18 Socket Set Screws, Cup Point. Crafted from high-strength alloy steel and treated with a thermal black oxide finish for mild corrosion resistance, these set screws provide superior holding power. The cup point design features a concave tip that grips surfaces firmly, making it ideal for high-torque, precision alignment, and vibration-sensitive applications.

Key Features

• Thread Size: 5/16"-18 (Coarse Thread)
• Point Type: Cup Point for secure grip and holding power
• Material: High-Strength Alloy Steel for durability
• Finish: Thermal Black Oxide for mild corrosion resistance
• Drive Style: Hex Socket (Allen wrench required)
• Thread Profile: UNC / Coarse Thread for secure, heavy-duty applications
• Application: Gears, collars, pulleys, and high-load assemblies
• Bulk Packs: Cost-effective for industrial use

Why Choose Cup Point Set Screws?

The cup point design features a concave tip that bites into the contact surface, offering exceptional holding power and vibration resistance. This minimizes slippage, making cup point set screws a preferred choice for high-torque or precision alignment applications.

Ideal Applications

• Industrial Machinery & Equipment Alignment
• Automotive & Aerospace Fastening
• High-Vibration & High-Torque Assemblies
• General Maintenance & Repair (MRO)
• Securing Large Gears, Collars, & Pulleys

Installation Tips

• Use an appropriately sized hex key (Allen wrench) to avoid drive damage.
• Apply steady torque to prevent thread stripping or rounding the drive.
• Ensure mating surfaces are clean and free of debris for optimal grip.
• Consider using a thread-locking compound in high-vibration environments to maintain tightness.

Order in Bulk Today

Depend on 5/16"-18 Socket Set Screws, Cup Point for vibration-resistant, secure fastening in demanding industrial applications. Order now for fast shipping, bulk discounts, and industry-leading reliability.

✔️ Hex socket drive for precise torque application

✔️ Cup point design grips surfaces under high torque

✔️ Thermal black oxide finish offers mild corrosion resistance