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Stress-free Jfast 3120mws - 5/16-18x1 1/4 Unslotted Indented Hex Washer Head Serrated Machine Screw Full Thread Zinc, Case Quantity: 1,000 Save Big: 90% Off [msTYnkwz]

$47.99 $153.99 -69%

High-Quality Machine Screws - JFAST 3120MWSWelcome to our extensive collection of high-quality machine screws, where precision and durability meet practicality. The JFAST 3120MWS is a prime example of our commitment to providing top-notch fasteners t

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Stress-free Jfast 3120mws - 5/16-18x1 1/4 Unslotted Indented Hex Washer Head Serrated Machine Screw Full Thread Zinc, Case Quantity: 1,000 Save Big: 90% Off [msTYnkwz]

High-Quality Machine Screws - JFAST 3120MWS

Welcome to our extensive collection of high-quality machine screws, where precision and durability meet practicality. The JFAST 3120MWS is a prime example of our commitment to providing top-notch fasteners that cater to a wide range of industrial and mechanical applications. With its unslotted indent and hex washer head, this screw is designed to offer a secure and stable fit in various assemblies.
  • Size and Length: The JFAST 3120MWS features a 5/16-18 thread size and a length of 1 1/4 inches, making it versatile for a variety of projects.
  • Material and Finish: Constructed from high-quality steel and finished with a durable zinc coating, this screw ensures long-lasting performance and resistance to corrosion.

Robust Features for Enhanced Performance

This JFAST machine screw is not just about its sturdy construction; it boasts several features that enhance its performance and usability. The unslotted indent design allows for easy installation with standard hex wrenches, while the hex washer head distributes load evenly, reducing the risk of stripping.
  • Head Dimensions: With a head diameter of 1/2 inch and a head height ranging from 0.208 to 0.230 inches, this screw provides a secure grip and a professional finish.
  • Washer Specifications: The washer diameter ranges from 0.624 to 0.676 inches, ensuring a snug fit and added stability.

Convenient Case Quantity for Efficient Purchasing

We understand the importance of convenience in purchasing fasteners, which is why we offer the JFAST 3120MWS in a case quantity of 1,000. This bulk purchase option is ideal for businesses and individuals who require a substantial supply of high-quality machine screws for their projects.
  • Driver Compatibility: The 1/2 inch driver size ensures compatibility with a wide range of tools, simplifying the installation process.
  • RoHS Compliance: For those with environmental considerations, this product is available on request for RoHS compliance, meeting stringent environmental standards.
With the JFAST 3120MWS, you're getting a reliable, high-performance machine screw that is designed to withstand the rigors of industrial use. Order yours today and experience the difference in quality and efficiency.

What Our Customers Say

February 2, 2026

Absolutely no complaints!

The build quality inspires a great deal of confidence.

- Confident_Carl.

February 2, 2026

Absolutely no complaints!

This is a very satisfying product to own and use.

- Satisfied_Sue.

February 2, 2026

Absolutely no complaints!

This is a very well-rounded product.

- Raelynn W..

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