[550 BULK] Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 2-3/4

Mutual ScrewSKU: 3144CH8PBB

Price:
Sale price$128.18per 550( $0.23 each)
Pieces 550
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 2-3/4
Material Steel
Grade Grade 8
Finish Plain
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

Hex Head Cap Screws Grade 8 Steel Plain 5/16-18 x 2-3/4 are high-strength fasteners designed for demanding industrial and automotive applications. The Grade 8 steel construction delivers superior tensile strength and reliability, making these screws ideal for heavy equipment, machinery, and structural assemblies where performance matters.

Key Features

  • Size: 5/16-18 UNC thread, 2-3/4 in length.
  • Material: Grade 8 steel for exceptional strength and durability.
  • Finish: Plain (uncoated) to suit integration with other coatings or to minimize slip.
  • Head: Hex head for secure tightening with standard tools.
  • Drive Type: Hex drive for straightforward installation and high torque transfer.

Applications

Engineered for high-stress fastening, these screws excel in machinery, automotive assemblies, construction equipment, and other demanding environments. Their robust construction helps resist deformation under load and vibration, delivering dependable performance in critical joints.

Specifications

  • Product: Hex Head Cap Screw
  • Grade: 8
  • Material: Steel
  • Finish: Plain
  • Diameter: 5/16 in
  • Threads: 18 TPI (UNC)
  • Length: 2-3/4 in

Choose these Grade 8 plain hex head cap screws for secure, high-strength fastening in assemblies where maximum reliability is essential. Add to your cart today and ensure your project meets the demanding standards of industrial and automotive applications.

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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