#4-40 X 1/2" Button Head Cap Screws | 316 Stainless Steel (100 / Pkg.)

Mutual ScrewSKU: 0408CSB316YW

Price:
Sale price$71.32per 100( $0.71 each)
Pieces 100
Measurement type Inch
Thread size #4-40
Length 1/2
Material 316 Stainless Steel
Grade 316
Finish Plain
Drive Hex 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 316 Stainless 4/40 X 1/2 are precision-engineered fasteners designed for durable, low-profile assembly. Constructed from high-quality 316 stainless steel, these cap screws deliver exceptional corrosion resistance and long-lasting performance in demanding environments.

Product Highlights

  • Material: 316 stainless steel for superior corrosion resistance
  • Head style: Button head for a clean, low-profile appearance
  • Thread size: 4-40
  • Length: 1/2 inch
  • Finish: Stainless steel with durable, corrosion-resistant finish

Why Choose 316 Stainless Cap Screws

316 stainless cap screws offer enhanced resistance to rust, corrosion, and chemical exposure, making them ideal for marine, outdoor, automotive, and industrial applications. The button head provides a sleek surface that minimizes snagging while maintaining strong clamping force in precision assemblies.

Applications

These cap screws are well-suited for electronics enclosures, machinery housings, cabinetry, equipment fixtures, and other projects requiring a secure, aesthetically pleasing fastening with long-term durability.

Usage Tips

Pair with compatible nuts or threaded inserts and follow standard torque guidelines for 4-40 fasteners to achieve optimal clamping performance. For outdoor or moist environments, rely on the 316 stainless properties to maintain stability and appearance over time.

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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