[550 BULK] Hex Head Cap Screws Grade 8 Steel Zinc Yellow Plated (USA Made) 5/16-18X2 3/4

Mutual ScrewSKU: 3144CH8OKC

Price:
Sale price$316.56per 550( $0.58 each)
Pieces 550
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-3/4
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

Upgrade your assemblies with our Hex Head Cap Screws. These fasteners are made from Grade 8 steel for exceptional strength and durability, then finished with a zinc yellow plated coating to resist corrosion and provide a clean, professional appearance. Manufactured in the USA, this screw is sized 5/16-18 with a length of 2 3/4 inches, making it a versatile choice for heavy-duty applications.

Why choose these Hex Head Cap Screws?

  • Grade 8 steel for high tensile strength and reliability in demanding environments.
  • Zinc yellow plating delivers corrosion resistance and a durable finish.
  • Hex head design for fast, secure driving with standard wrenches.
  • 5/16-18 UNC threads compatible with common nuts and threaded holes.
  • 2 3/4 inch length suited for a variety of thicknesses and assemblies.
  • USA made ensuring consistent quality and support.

Applications

Perfect for automotive repair, machinery, equipment maintenance, and construction projects where strong, dependable fasteners are essential.

Specifications

  • Head type: Hex
  • Material: Grade 8 steel
  • Finish: Zinc yellow plated
  • Thread size: 5/16-18
  • Length: 2 3/4 in
  • Country of origin: USA

Note: Always verify fitment with your specific component tolerances and ensure the correct length for your application.

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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