Hex Head Cap Screws Silicon Bronze 5/16-18 X 1-1/4
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Hex Head Cap Screws Silicon Bronze 5/16-18 X 1-1/4

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[50 PKG] Hex Head Cap Screws Silicon Bronze 5/16-18 X 1-1/4

Mutual ScrewSKU: 3120CHBZ
Price:
$82.95per 50( $1.66 each)
Pieces 50
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/4
Material Silicon Bronze
Grade Silicon Bronze
Finish Silicon Bronze
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 2.0 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

Hex Head Cap Screws Silicon Bronze 5/16-18 x 1-1/4

Introducing the Hex Head Cap Screws Silicon Bronze 5/16-18 x 1-1/4, a premium fastener designed for demanding environments where corrosion resistance, reliability, and ease of installation matter. This silicon bronze screw delivers steady performance in marine, outdoor, and electrical applications.

  • Material: Silicon Bronze (Cu-Si) for excellent corrosion resistance and non-magnetic properties
  • Size & Threads: 5/16" diameter with 18 TPI (UNC)
  • Length: 1-1/4" overall length
  • Head Type: Hex head for easy tightening with standard tools
  • Finish: Natural bronze appearance that blends with bronze components

Why choose silicon bronze hex head cap screws?

Silicon bronze fasteners resist saltwater, humidity, and chemical exposure better than many alternatives, making them ideal for boating, marine hardware, plumbing, and outdoor installations. The 5/16-18 UNC thread ensures compatibility with common nuts and tapped holes, while the hex head allows secure torque with standard wrenches.

Applications

Use these screws in marine fittings, dock hardware, water treatment equipment, electrical enclosures, and other environments where copper-based fasteners are preferred for their corrosion resistance and conductivity.

Specifications

  • Diameter: 5/16"
  • Threads: 18 TPI (UNC)
  • Length: 1-1/4"
  • Material: Silicon Bronze
  • Head: Hex

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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