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Hot Item 5/16-18 X 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (850) - Free 2-day Shipping [GnNdJhHs]

$46.99 $150.99 -69%

High-Quality Zinc Plated Hex Cap Screws Introducing our premium 5/16-18 x 1 3/4 Grade 5 Hex Cap Screws, a reliable choice for your fastening needs. These screws are meticulously crafted in the USA from high-quality medium carbon steel, ensuring durab

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Hot Item 5/16-18 X 1 3/4 Grade 5 Hex Cap Screw Zinc Plated Domestic Usa (850) - Free 2-day Shipping [GnNdJhHs]

High-Quality Zinc Plated Hex Cap Screws

Introducing our premium 5/16-18 x 1 3/4 Grade 5 Hex Cap Screws, a reliable choice for your fastening needs. These screws are meticulously crafted in the USA from high-quality medium carbon steel, ensuring durability and strength. With their robust design and superior finish, these screws are ideal for a wide range of applications, from automotive repairs to home improvement projects.

Key Specifications and Features

Our Grade 5 Hex Cap Screws meet or exceed SAE J429 Grade 5 specifications, guaranteeing top-notch quality and performance. Each screw features rolled threads for enhanced thread strength and reduced thread stripping. The hardness on diameters 1/4 to 1 inch is HRC 25-34, while diameters over 1 inch to 1 1/2 have a hardness ranging from HRC 19-30. With a minimum tensile strength of 120,000 psi for diameters 1/4 to 1 inch and 105,000 psi for diameters over 1 inch to 1 1/2, these screws are built to last.
  • Material: Medium carbon steel
  • Finish: Zinc plated for corrosion resistance

Practical Applications and Benefits

These Grade 5 Hex Cap Screws are perfect for a variety of applications, including but not limited to automotive repairs, machinery assembly, and home improvement projects. Their high tensile strength and corrosion-resistant finish make them a reliable choice for any task that requires a strong and durable fastener. Whether you're a professional mechanic or a DIY enthusiast, these screws are designed to meet your needs. With their domestic manufacturing and adherence to stringent quality standards, you can trust that you're getting a product that will stand the test of time.
  • Applications: Automotive, machinery, home improvement
  • Benefits: Durable, corrosion-resistant, high tensile strength

What Our Customers Say

January 26, 2026

Absolutely no complaints!

An excellent product. It is very powerful.

- Tanner C..

January 26, 2026

Absolutely no complaints!

This is a very solid, high-quality tool.

- Anderson P..

January 26, 2026

Absolutely no complaints!

This is an awesome and very useful piece of kit.

- Justin L..

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