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Blowout Sale Jfast 3112mh - 5/16-18x3/4 Unslotted Indented Hex Head Machine Screw Fully Threaded Zinc, Case Quantity: 1,500 With Warranty [bHhSUPrW]

$48.99 $156.99 -69%

High-Quality Machine Screws - JFAST 3112MHIntroducing the JFAST 3112MH, a premium-quality machine screw designed for superior performance and durability. This fully-threaded screw is a must-have for any project that requires a reliable and long-lasti

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Blowout Sale Jfast 3112mh - 5/16-18x3/4 Unslotted Indented Hex Head Machine Screw Fully Threaded Zinc, Case Quantity: 1,500 With Warranty [bHhSUPrW]

High-Quality Machine Screws - JFAST 3112MH

Introducing the JFAST 3112MH, a premium-quality machine screw designed for superior performance and durability. This fully-threaded screw is a must-have for any project that requires a reliable and long-lasting fastening solution. With its unslotted indent hex head, the JFAST 3112MH offers a secure grip and easy installation. Its zinc finish not only enhances its appearance but also provides excellent corrosion resistance, making it suitable for a wide range of applications. Whether you're a professional tradesperson or a DIY enthusiast, this screw is a reliable choice for all your fastening needs.
  • High-Quality Material: Crafted from premium steel, the JFAST 3112MH ensures long-lasting performance and resistance to wear and tear.
  • Corrosion Resistance: The zinc finish offers excellent resistance to corrosion, making it ideal for outdoor and harsh environments.

Key Specifications and Features

The JFAST 3112MH is a 5/16-18 size machine screw with a length of 3/4". It features a hex head style and an unslotted drive, allowing for easy installation with a hex wrench. The screw has a head diameter of 1/2" and a head height ranging from 0.208 to 0.230". The width across flats is 1/2", and it is fully threaded, providing maximum grip and strength. The 1/2" driver size ensures compatibility with a wide range of tools, making it versatile for various applications.
  • Size and Length: 5/16-18 size with a 3/4" length, ideal for a variety of fastening tasks.
  • Drive Style: Unslotted indent hex head for easy installation and secure grip.

Practical Applications and Benefits

The JFAST 3112MH is perfect for a wide range of applications, from construction and automotive repair to home improvement and furniture assembly. Its high-quality construction and corrosion-resistant finish make it an excellent choice for both indoor and outdoor projects. Whether you're building a deck, repairing a car, or assembling a piece of furniture, this screw will provide the strength and reliability you need. Its versatility and durability make it a go-to fastener for professionals and DIYers alike. With a case quantity of 1,500, you can rest assured that you'll have enough screws to complete your project without running out.
  • Versatile Applications: Suitable for construction, automotive, home improvement, and furniture assembly.
  • Long-Lasting Performance: High-quality steel and zinc finish ensure durability and resistance to wear and tear.

What Our Customers Say

January 22, 2026

Absolutely no complaints!

It operates flawlessly and looks so very, very sharp.

- Meirion L..

January 22, 2026

Absolutely no complaints!

A great product. And very, very, very, very, very, very, very good.

- Arawn R..

January 22, 2026

Absolutely no complaints!

A magnificent item that I’m so very happy to have.

- Blodwen L..

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