[50 PKG] Hex Head Cap Screws Grade 5 Steel Zinc Plated 3/8-16 X 5

Mutual ScrewSKU: 3780CH5

Price:
Sale price$37.74per 50( $0.75 each)
Pieces 50
Measurement type Inch
Thread size 3/8-16
Diameter 3/8
Length 5
Material Steel
Grade Grade 5
Finish Zinc Plated
Head style Hex
Threads per inch 16
Thread style Partially Threaded
Weight 9.0 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 strong, reliable fastening with our Hex Head Cap Screws. Crafted from Grade 5 steel and finished with a zinc-plated coating, these screws deliver high strength and corrosion resistance for demanding environments. Sized at 3/8-16 and measuring 5 inches in length, they fit a wide range of assemblies and provide robust torque transfer.

Designed for use with standard nuts and tapped holes, the hex head enables quick driving with common tools and consistent clamping performance across applications in automotive, industrial, and DIY projects.

Key specifications

  • Material: Grade 5 steel
  • Finish: Zinc plated
  • Head style: Hex
  • Thread size: 3/8-16 UNC
  • Length: 5 inches

Benefits

  • High strength and durability for demanding fastening tasks
  • Corrosion resistance thanks to zinc plating
  • Standard 3/8-16 UNC thread ensures broad compatibility
  • Long 5-inch length provides strong engagement in thicker materials
  • Easy to install with common hex tools and good torque transfer

Ideal applications

  • Automotive repairs and equipment maintenance
  • Machinery and industrial machinery assemblies
  • Structural steel and metal fabrication projects
  • Outdoor gear, agricultural, and DIY projects requiring durable fasteners

Note: Pair these screws with matching nuts or tapped holes for secure, long-lasting joints. Always verify thread engagement and material thickness to ensure proper fastening.

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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