Bulk 3/8"-24 UNF Knurled Cup Point Socket Set Screws, Thermal Black Oxide

Alloy Steel | Fine Thread | Vibration-Resistant Design

Secure your assemblies with Bulk 3/8"-24 UNF Knurled Cup Point Socket Set Screws. Crafted from high-strength alloy steel and finished with a thermal black oxide coating, these set screws offer durability, moderate corrosion resistance, and a smooth black finish. The knurled cup point design features serrated ridges that increase friction, significantly reducing loosening under vibration or heavy torque. Perfect for securing collars, gears, pulleys, and rotating assemblies in high-precision industrial applications.

Key Features

• Thread Size: 3/8"-24 UNF (Fine Thread)
• Point Type: Knurled Cup Point for superior vibration resistance
• Material: High-strength alloy steel for reliable performance
• Finish: Thermal black oxide for mild corrosion protection and a sleek, dark appearance
• Drive Style: Internal Hex Socket (Allen wrench/hex key required)
• Application: Securing collars, pulleys, gears, and rotating components
• Bulk Availability: Cost-effective for industrial-scale use

Why Knurled Cup Point Set Screws?

The knurled cup point set screws are designed to dig into the contact surface, preventing slippage and ensuring a secure hold under high torque or vibration. This design provides excellent holding power, making them ideal for applications requiring secure, long-lasting fastening in high-vibration or heavy-load environments.

Ideal Applications

• Collars, Gears, & Pulleys on Shafts
• Precision Machinery & Industrial Equipment
• Automotive & Aerospace Applications
• High-Torque & High-Vibration Environments
• Maintenance & Repair Operations (MRO)

Installation Tips

• Use the correct hex socket/Allen wrench for precise fitment.
• Apply even torque to avoid stripping or damaging threads.
• Ensure the mating surface is clean and debris-free for maximum grip.
• Regularly inspect set screws in high-vibration environments to confirm tightness.

Order in Bulk Today

Get the secure, vibration-resistant fastening solution you need with Bulk 3/8"-24 UNF Knurled Cup Point Socket Set Screws. Order now for fast shipping, bulk discounts, and a secure, vibration-resistant hold for your most demanding applications.

✔️ Knurled cup point provides enhanced grip under vibration

✔️ Thermal black oxide finish offers mild corrosion resistance

✔️ Ideal for rotating machinery, collars, gears, and pulleys