Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 1 1/8
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Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 1 1/8

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[100 PKG] Hex Head Cap Screws Grade 5 Steel Plain (USA Made) 5/16-18 x 1 1/8

Mutual ScrewSKU: 3118CH5PDBB
Price:
$27.40 $30.44per 100( $0.27 each)
Pieces 100
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/8
Material Steel
Grade Grade 5
Finish Plain
Head style Hex
Threads per inch 18
Thread style Partially Threaded
Weight 4.0 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 5 Steel Plain (USA Made) 5/16-18 x 1 1/8 are high-strength fasteners designed for dependable performance across automotive, machinery, and construction applications. Crafted in the USA from Grade 5 steel with a plain, uncoated finish, these screws deliver solid strength and straightforward installation for a wide range of projects.

With a 5/16-inch diameter, 18 threads per inch (UNC) coarse thread, and a length of 1 1/8 inches, these hex head cap screws are made to fit standard nuts and tapped holes. The hex head provides ample torque for secure, hands-on tightening, while the plain finish allows easy painting or coating to suit your project needs.

Product Details

  • Type: Hex Head Cap Screw
  • Material: Grade 5 Steel
  • Finish: Plain (uncoated)
  • Diameter & Pitch: 5/16" diameter, 18 TPI (UNC)
  • Length: 1 1/8"
  • Head Drive: Hex Head
  • Thread Type: Coarse
  • Made In: USA

Applications

Ideal for heavy-duty assemblies where strong clamping and reliable retention are required. Commonly used in machinery, equipment mounting, automotive applications, and structural fastenings where standard 5/16-18 UNC hardware is specified.

These screws pair with standard nuts and tapped holes, offering dependable performance in a plain finish that can be painted or coated to match your design or environment.

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800-222-0324

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