#4-40 Cup Point Socket Set Screws

High-Strength Alloy Steel with Thermal Black Oxide Finish

Optimize your projects with our reliable #4-40 Cup Point Socket Set Screws, crafted from high-strength alloy steel and coated with a thermal black oxide finish. These set screws are perfect for precision applications in electronics, machinery, and equipment where secure fastening is crucial.

The cup point design provides excellent holding power with minimal surface damage, making it ideal for permanent or semi-permanent installations. The hex socket drive ensures easy installation and removal, even in tight spaces.

Thermal Black Oxide Finish: Provides mild corrosion resistance and provides a sleek black finish.

Note: Length is measured from end to end of the screw.

Key Features

• High Strength: Made from premium alloy steel to withstand demanding applications.
• Thermal Black Oxide Coating: Provides mild corrosion resistance and a sleek black finish.
• Secure Grip: Cup point design ensures strong holding power with minimal surface damage.
• Ideal for Small Applications: Perfect for electronics, machinery, and precision equipment.
• Easy Installation: Hex drive compatible with a .050" hex key for quick and secure fastening. Need a .050" Hex Key? Get one here!

Specifications

• Diameter: #4
• Thread Size: 40 TPI - Coarse (Standard) Thread
• Length: Please select from the options above
• Drive: .050" Hex Key (Allen Wrench)
• Type: Socket Set Screw / Cup Point
• Material: Alloy Steel with Thermal Black Oxide Coating
• Standards: ASME B18.3 / ASTM F912

Matching Products

• Matching Nuts: #4-40 Nuts - Available here
• Matching Washers: #4 Washers - Available here

Order Yours Today

Don't compromise on quality and precision. Choose Monster Bolts for your #4-40 Cup Point Socket Set Screws with a thermal black oxide finish. Ideal for securing components in electronics, machinery, and precision equipment. Order now and experience fast shipping and exceptional customer service from Monster Bolts, trusted by professionals worldwide!

Why Choose Monster Bolts?

• ✔️ Trusted by professionals globally
• ✔️ Compliant with ASME B18.3 / ASTM F912 standards
• ✔️ Fast shipping and excellent customer service

Frequently Asked Questions

• Q: What is the purpose of a cup point on a set screw?
  A: The cup point provides excellent holding power by embedding into the contact surface, making it ideal for permanent or semi-permanent installations without causing significant surface damage.
• Q: What is thermal black oxide coating?
  A: Thermal black oxide coating provides mild corrosion resistance and gives the screws a sleek black finish, suitable for indoor use or light outdoor exposure.
• Q: Are these screws suitable for precision applications?
  A: Yes, their small size and secure grip make them ideal for precision applications in electronics, machinery, and equipment.
• Q: Do you offer bulk pricing?
  A: Yes, we offer competitive pricing for bulk orders. Please contact our sales team for more information.