[50 PKG] Hex Head Cap Screws Grade 5 Steel Zinc Plated 5/16-18 X 3-1/4

Mutual ScrewSKU: 3152CH5

Price:
Sale price$24.58per 50( $0.49 each)
Pieces 50
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3-1/4
Material Steel
Grade Grade 5
Finish Zinc Plated
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 Zinc Plated 5/16-18 X 3-1/4 are built for heavy-duty fastening in demanding applications. With a durable Grade 5 steel core and a corrosion-resistant zinc plating, these screws deliver reliable performance in machinery, automotive, and construction projects.

Featuring a hex head for easy driving with standard wrenches or sockets, these screws use a 5/16-18 UNC thread and measure 3-1/4 inches in length, providing strong clamping power even in tight spaces.

Key Features

  • Material: Grade 5 steel for high strength
  • Finish: Zinc plating for corrosion resistance in indoor/outdoor environments
  • Thread: 5/16-18 UNC coarse thread
  • Length: 3-1/4 inches
  • Head type: Hex head for reliable torque and quick installation
  • Drive: Standard hex drive for common tools
  • Applications: Suitable for machinery, automotive assemblies, equipment mounting, and structural fastenings

Whether you're assembling heavy equipment, repairing a trailer, or fabricating metal components, these hex head cap screws deliver dependable strength and ease of use. Pair them with the appropriate nut and washer for a secure, lasting fit.

Enhance your fastener toolkit with these Grade 5 hex head cap screws in 5/16-18 x 3-1/4 inches for robust, durable connections.

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800-222-0324

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