5/16-18 X 2-1/2" Socket Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)
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5/16-18 X 2-1/2" Socket Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

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5/16-18 X 2-1/2" Socket Head Cap Screws | Alloy Steel Thermal Black Oxide (100 / Pkg.)

Mutual ScrewSKU: 3140CSPKC
Price:
$116.46per 100( $1.16 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Length 2-1/2
Material Alloy Steel
Finish Thermal Black Oxide
Drive Hex Socket
Head style Socket
Weight 6.0 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

Engineered for reliability in high-torque assemblies, our Socket Head Cap Screws are made from premium Alloy Steel with a durable Thermal Black Oxide finish. Sized at 5/16-18 and 2-1/2 inches long, these screws deliver superior strength and an unobtrusive drive profile for precise fastening in machinery, automotive, and industrial applications.

Product Highlights

  • Material: Alloy Steel for high tensile strength
  • Finish: Thermal Black Oxide for corrosion resistance and low reflectivity
  • Thread type: 5/16-18 UNC standard coarse thread
  • Head style: Socket head cap screw for flush drives and high torque
  • Length: 2-1/2 in (63.5 mm)
  • Applications: ideal for automotive, machinery, and industrial equipment assemblies
  • Compatibility: uses standard hex keys/Allen wrenches

These screws are designed to provide a secure, vibration-resistant joint in demanding environments. The socket head allows high torque transfer with a compact profile, making them ideal for tight spaces. The black oxide finish not only enhances corrosion resistance but also reduces glare for a cleaner, professional appearance in finished assemblies.

Applications

Perfect for automotive components, factory machinery, control panels, and other equipment requiring reliable fastening with a sleek, low-profile drive.

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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