#4-48 Socket Set Screws, Cup Point, Alloy Steel, Thermal Black Oxide

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

Get precise, secure fastening with #4-48 Socket Set Screws, Cup Point. These high-performance set screws are manufactured from high-strength alloy steel and feature a thermal black oxide coating for mild corrosion resistance and long-lasting durability. The cup point design ensures maximum grip and vibration resistance, making them ideal for precision alignment, high-torque applications, and securing moving components.

Key Features

• Thread Size: #4-48 (Fine Thread)
• Point Type: Cup Point for enhanced 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: UNF / Fine Thread for precision fastening
• Application: Gears, collars, pulleys, and alignment-sensitive assemblies
• Bulk Packs: Cost-effective for industrial and manufacturing applications

Why Choose Cup Point Set Screws?

The cup point design features a concave tip that bites into the contact surface, ensuring exceptional traction and vibration resistance. This prevents slippage, making cup point set screws a top choice for high-torque and precision alignment applications.

Ideal Applications

• Precision Machinery & Equipment Alignment
• Automotive & Aerospace Fastening
• High-Vibration & High-Torque Assemblies
• General Maintenance & Repair (MRO)
• Securing 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.
• For high-vibration applications, consider using a thread-locking compound.

Order in Bulk Today

Trust #4-48 Socket Set Screws, Cup Point for secure, vibration-resistant fastening in industrial and precision 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