[250 PKG] Hex Head Cap Screws Grade 5 Steel Zinc Plated Coarse Thread 5/16-18X6 1/2

Mutual ScrewSKU: 31104CH5OKC

Price:
Sale price$294.68per 250( $1.18 each)
Pieces 250
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 6-1/2
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 37.0 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

Discover the reliability of our Hex Head Cap Screws, crafted from Grade 5 steel with a zinc-plated finish for enduring strength and corrosion resistance. This coarse-thread fastener is sized 5/16-18 x 6 1/2 inches, ideal for a wide range of assembly and maintenance projects.

Designed for heavy-duty use, these hex head cap screws deliver solid clamping force and dependable performance in metal-to-metal connections. The coarse thread provides robust engagement and quick installation, even in softer materials.

Key features

  • Material: Grade 5 steel for high strength and durability.
  • Finish: Zinc-plated for corrosion resistance and long service life.
  • Thread: Coarse 5/16-18 threads for quick, secure engagement.
  • Size: 5/16-18 x 6 1/2 inches (length x thread count).
  • Head type: Hex head cap screw for easy driving with standard wrenches or sockets.

Applications

Ideal for automotive, machinery, and heavy equipment assemblies where a strong, reliable fastener is required. Zinc plating provides corrosion resistance in moderate environments, making these screws suitable for indoor or protected outdoor use.

Note: Ensure compatibility with your project’s material and thread requirements before use.

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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