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Ultimate Jfast Ms51957-78b - 1/4-20x7/16 Ms51957-b Phil Pan M/s Coarse Full Thread 300 Series S/s Dfar Black Ox, Case Quantity: 1,000 Top Brand [Ebo9uwaY]

$66.99 $214.99 -69%

JFAST MS51957-78B: High-Quality Mil-Spec Machine ScrewsExperience the ultimate in precision and durability with the JFAST MS51957-78B machine screws. Designed for demanding applications, these screws are a perfect blend of quality and performance. Wi

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Ultimate Jfast Ms51957-78b - 1/4-20x7/16 Ms51957-b Phil Pan M/s Coarse Full Thread 300 Series S/s Dfar Black Ox, Case Quantity: 1,000 Top Brand [Ebo9uwaY]

JFAST MS51957-78B: High-Quality Mil-Spec Machine Screws

Experience the ultimate in precision and durability with the JFAST MS51957-78B machine screws. Designed for demanding applications, these screws are a perfect blend of quality and performance. With their robust construction and reliable performance, they are ideal for a wide range of industrial and commercial uses. The MS51957-78B features a pan head and Phillips drive style, ensuring ease of installation and secure fastening.
  • Robust Construction – Engineered for long-lasting use in challenging environments.
  • High-Quality Material – Made from 18-8 stainless steel for superior corrosion resistance and strength.

Technical Specifications and Benefits

The JFAST MS51957-78B is a Mil-Spec machine screw, meeting the highest industry standards for quality and reliability. This screw boasts a 1/4-20 thread size and a length of 7/16", making it versatile for a variety of fastening needs. The pan head design provides a flush, aesthetically pleasing finish, while the black oxide finish offers excellent corrosion resistance and durability.
  • Size and Length – 1/4-20 thread, 7/16" length for versatile application.
  • Material and Finish – 18-8 stainless steel with black oxide finish for superior corrosion resistance.

Practical Applications and Target Audience

Whether you're working on aerospace projects, heavy machinery, or home improvement projects, the JFAST MS51957-78B machine screws are the perfect choice. Their compliance with DFARS and RoHS standards makes them suitable for various industries, including defense, aviation, and electronics. With a case quantity of 1,000, these screws are an excellent value for high-volume buyers, ensuring you have an ample supply for your projects.
  • Industries – Suitable for aerospace, heavy machinery, and home improvement projects.
  • Compliance – DFARS and RoHS compliant for various industries, including defense and aviation.

What Our Customers Say

January 27, 2026

Absolutely no complaints!

A well-designed, extremely, very, so high-quality item.

- Aneirin V..

January 27, 2026

Absolutely no complaints!

I'm pleased with this product's very superb quality.

- Meirion A..

January 27, 2026

Absolutely no complaints!

It’s a very well-made and a very, very handy tool.

- Emyr Z..

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