[600 BULK] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5/16-18X2 1/2

Mutual ScrewSKU: 3140CH8OKC

Price:
Sale price$206.78per 600( $0.34 each)
Pieces 600
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-1/2
Material Steel
Grade Grade 8
Finish Yellow 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

Experience durability and reliability with our premium Hex Head Cap Screws built from Grade 8 steel for heavy-duty applications. Proudly USA made, these fasteners are finished in zinc yellow plated to deliver corrosion resistance and long service life.

Key Features

  • Material: Grade 8 steel for high strength and durability
  • Finish: Zinc yellow plated for corrosion resistance
  • Head Type: Hex head for easy torque with standard wrenches
  • Size & Thread: 5/16-18, length 2 1/2 inches
  • Thread Pitch: 18 TPI
  • Made In: USA

These 5/16-18 x 2 1/2 hex cap screws are ideal for automotive, machinery, equipment, and construction projects where dependable clamping power is essential. The Grade 8 steel ensures superior strength, while the zinc yellow finish provides protection against rust and wear in demanding environments.

Why Choose These Hex Head Cap Screws?

  • High-strength fastener designed to withstand heavy loads
  • Corrosion-resistant finish suitable for indoor and some outdoor use
  • USA-made quality you can trust
  • Compatible with standard hex sockets and wrenches

Upgrade your toolkit with these reliable hex head cap screws. Order now to ensure you have the right fasteners for your project.

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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