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Believe It Jfast 3108msu - 5/16-18x1/2 Slotted Flat Undercut Machine Screw Fully Threaded Zinc, Case Quantity: 3,000 - Today Only [CaIXlLTf]

$49.99 $159.99 -69%

JFAST 3108MSU Machine Screw The JFAST 3108MSU is a high-quality machine screw designed for a wide range of applications. This fully threaded zinc-plated screw features a flat undercut head and a slotted drive style, making it easy to install and rem

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JFAST 3108MSU Machine Screw

The JFAST 3108MSU is a high-quality machine screw designed for a wide range of applications. This fully threaded zinc-plated screw features a flat undercut head and a slotted drive style, making it easy to install and remove. With its robust construction and durable material, it is an ideal choice for any project where reliability and strength are paramount.
  • Flat Undercut Head: Provides a clean, flush finish that blends seamlessly with various materials.
  • Slotted Drive Style: Ensures compatibility with a wide range of drivers, making installation quick and efficient.

Technical Specifications

The JFAST 3108MSU machine screw is available in a size of 5/16-18 and features a length of 1/2". It boasts a head diameter of 0.556 - 0.597 inches and a head height of 0.116 - 0.134 inches. Constructed from steel and finished with zinc, this screw is designed to withstand harsh environments and maintain its integrity over time.
  • Size: 5/16-18
  • Length: 1/2"
  • Material: Steel
  • Finish: Zinc

Practical Applications and Benefits

The JFAST 3108MSU machine screw is versatile and suitable for a variety of applications, including construction, automotive, and home repair projects. Its full thread design allows for maximum holding power, ensuring a secure fit in any material. With a case quantity of 3,000, this screw is perfect for bulk orders or projects requiring a large number of fasteners.
  • Applications: Construction, automotive, home repair, and more.
  • Benefits: Maximum holding power, easy installation, and durable zinc finish.

What Our Customers Say

December 27, 2025

Absolutely no complaints!

I'm so glad I went with this brand.

- Samantha D..

December 27, 2025

Absolutely no complaints!

This is a very clever piece of engineering.

- CleverEngineering.

December 27, 2025

Absolutely no complaints!

A phenomenal product that stands out from the competition.

- Philip Sanders.

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