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Christmas Sale Jfast 3780mcr - 3/8-16x5 Combination (phil/slot) Round Head Fully Threaded Machine Screw Zinc, Case Quantity: 100 Easy Returns [TrWVafvp]

$20.99 $67.99 -69%

JFAST 3780MCR Machine Screw: Your Ultimate Solution The JFAST 3780MCR is a top-tier machine screw designed for precision and durability. This fully threaded screw combines the strength of a Phillips drive with the versatility of a slot drive, making

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Christmas Sale Jfast 3780mcr - 3/8-16x5 Combination (phil/slot) Round Head Fully Threaded Machine Screw Zinc, Case Quantity: 100 Easy Returns [TrWVafvp]

JFAST 3780MCR Machine Screw: Your Ultimate Solution

The JFAST 3780MCR is a top-tier machine screw designed for precision and durability. This fully threaded screw combines the strength of a Phillips drive with the versatility of a slot drive, making it an ideal choice for a wide range of applications. With its round head design, it offers a clean and professional look that complements any project. The zinc finish not only enhances the appearance but also provides corrosion resistance, ensuring long-lasting performance.

Key Specifications and Features

This 3/8-16X5 machine screw boasts a length of 5 inches, providing ample strength for heavy-duty tasks. The round head measures 0.670 - 0.708 inches in diameter and 0.237 - 0.256 inches in height, ensuring a secure fit in various materials. The full thread design allows for maximum grip and stability, while the combo drive style offers flexibility in installation. With a driver size of 4, it is compatible with a wide range of tools. Made from high-quality steel, this screw is built to withstand rigorous use and maintain its integrity over time.

Practical Applications and Benefits

The JFAST 3780MCR is a versatile tool that finds its way into numerous applications, from home improvement projects to industrial settings. Its combination drive style is particularly beneficial in situations where both Phillips and slot drivers are available, providing convenience and efficiency. The zinc finish not only adds a touch of elegance but also ensures that the screw remains rust-free, making it an excellent choice for outdoor use. Whether you are assembling furniture, repairing machinery, or engaging in any other DIY project, this machine screw is a reliable and practical solution.

What Our Customers Say

January 29, 2026

Absolutely no complaints!

A very fine tool, works like a dream.

- Neville H..

January 29, 2026

Absolutely no complaints!

It’s a very clever and useful gadget.

- Leigh R..

January 29, 2026

Absolutely no complaints!

The performance is consistently top-notch.

- Zinnia O..

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