[100 PKG] Cap Screws Button Socket Alloy Steel Zinc 4/40 X 1/2
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[100 PKG] Cap Screws Button Socket Alloy Steel Zinc 4/40 X 1/2

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[100 PKG] Cap Screws Button Socket Alloy Steel Zinc 4/40 X 1/2

Mutual ScrewSKU: 0408CSBZBB
Price:
$16.90per 100( $0.17 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1/2
Material Steel
Grade Alloy Steel
Finish Zinc Plated
Drive Socket
Head style Button
Threads per inch 40
Weight 1.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Cap Screws Button Socket in alloy steel with a zinc finish delivers strong, reliable fastening in a compact, low-profile design. Sized at 4/40 x 1/2, these cap screws are ideal for applications requiring a smooth, rounded button head and a secure socket drive.

Designed for precision assemblies, these button socket cap screws combine durable alloy steel with a corrosion-resistant zinc coating, providing lasting performance in indoor environments, machinery, electronics enclosures, and furniture hardware. The socket drive ensures a flush seating and clean aesthetic while delivering dependable torque transfer.

Key features

  • Head style: Button (domed) socket cap screw
  • Drive type: Socket (hex) drive for secure tightening
  • Material: Alloy steel for strength and durability
  • Finish: Zinc plating for corrosion resistance
  • Thread size: 4/40
  • Length: 1/2 inch

Applications

Perfect for general-purpose fastening where a low-profile head is desired, including electronics enclosures, automotive interior components, machinery assemblies, and furniture hardware. The combination of strength, precision, and a clean finish helps ensure both performance and aesthetics in your projects.

Specifications

  • Head: Button (domed) socket cap
  • Drive: Socket hex
  • Material: Alloy steel
  • Finish: Zinc plated
  • Thread size: 4/40
  • Length: 1/2 in

Can We Help?

If you’re not sure that this product is right for you, give us a call!
800-222-0324

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