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Professional Grade Jfast 3156msw - 5/16-18x3 1/2 Slotted Indented Hex Washer Head Machine Screw Fully Threaded Zinc, Case Quantity: 300 - Why Pay More? [7ZJ5VkUX]

$29.99 $95.99 -69%

JFAST 3156MSW Machine Screw: Durable and Reliable Introducing the JFAST 3156MSW machine screw, a premium-grade fastener designed for high-stress applications. This zinc-plated steel screw boasts exceptional strength and durability, making it an ideal

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Professional Grade Jfast 3156msw - 5/16-18x3 1/2 Slotted Indented Hex Washer Head Machine Screw Fully Threaded Zinc, Case Quantity: 300 - Why Pay More? [7ZJ5VkUX]

JFAST 3156MSW Machine Screw: Durable and Reliable

Introducing the JFAST 3156MSW machine screw, a premium-grade fastener designed for high-stress applications. This zinc-plated steel screw boasts exceptional strength and durability, making it an ideal choice for various industrial and household projects. Its fully threaded design ensures maximum holding power, while the slotted indent hex washer head provides easy installation and removal. The JFAST 3156MSW machine screw is a testament to quality and reliability, ensuring that your projects stay secure and long-lasting.

Key Product Features and Specifications

The JFAST 3156MSW machine screw features a size of 5/16-18 and a length of 3 1/2 inches, offering versatile use in a wide range of applications. The hex washer head design provides a secure grip, minimizing the risk of stripping, while the slotted drive style ensures compatibility with a variety of driver sizes. Key specifications include a head diameter of 1/2 inch, head height ranging from 0.208 to 0.230 inches, and a washer diameter from 0.624 to 0.676 inches. These details make the JFAST 3156MSW machine screw a perfect fit for applications where precision and performance are paramount.

Practical Applications and Benefits

Whether you're working on a home improvement project or an industrial application, the JFAST 3156MSW machine screw is a versatile and reliable solution. Its robust construction and corrosion-resistant zinc finish make it suitable for use in outdoor environments or where exposure to moisture is a concern. With a case quantity of 300, this product is perfect for bulk orders or frequent replacements. Its full thread design ensures a tight fit, while the easy-to-use slotted drive style makes installation a breeze. The JFAST 3156MSW machine screw is a must-have for any DIY enthusiast, professional tradesperson, or hobbyist seeking a high-quality, long-lasting fastener.

What Our Customers Say

January 19, 2026

Absolutely no complaints!

The product is superb, as is the support.

- Greyson S..

January 19, 2026

Absolutely no complaints!

A truly brilliant find. I am thrilled.

- Ian T..

January 19, 2026

Absolutely no complaints!

A very high-quality and great online purchase.

- Jane L..

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