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Brand New Jfast Ms51957-18b - 4-40x5/8 Ms51957-b Phil Pan M/s Coarse Full Thread 300 Series S/s Dfar Black Ox, Case Quantity: 2,000 Up To 95% Off [sy1CXEPW]

$41.99 $134.99 -69%

JFAST MS51957-18B Machine ScrewsThe JFAST MS51957-18B is a premium-grade machine screw designed for high-performance applications. This Mil-Spec screw boasts exceptional quality and durability, making it an ideal choice for demanding environments. Wi

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Brand New Jfast Ms51957-18b - 4-40x5/8 Ms51957-b Phil Pan M/s Coarse Full Thread 300 Series S/s Dfar Black Ox, Case Quantity: 2,000 Up To 95% Off [sy1CXEPW]

JFAST MS51957-18B Machine Screws

The JFAST MS51957-18B is a premium-grade machine screw designed for high-performance applications. This Mil-Spec screw boasts exceptional quality and durability, making it an ideal choice for demanding environments. With its robust construction and precise engineering, it ensures a secure and reliable fit in various applications.
  • High-Quality Material: Crafted from 18-8 stainless steel, this screw offers excellent corrosion resistance and strength.
  • Black Oxide Finish: The black oxide finish provides added durability and a sleek, professional appearance.

Technical Specifications

The MS51957-18B features a 4-40 thread size and a length of 5/8 inches. Its pan head design and Phillips drive style provide a secure grip and easy installation. This screw meets the stringent requirements of Mil Spec MS51957-B and is DFARS compliant, making it suitable for military and aerospace applications.
  • Size: 4-40 thread size, 5/8 inches length
  • Head Style: Pan Head
  • Drive Style: Phillips
  • Material: 18-8 Stainless Steel
  • Finish: Black Oxide

Applications and Benefits

The JFAST MS51957-18B is versatile and suitable for a wide range of applications, including automotive, industrial, and marine environments. Its compliance with DFARS and RoHS standards ensures that it meets the highest quality and safety requirements. By choosing this screw, you can benefit from its exceptional strength, corrosion resistance, and professional appearance.
  • Wide Range of Applications: Ideal for automotive, industrial, and marine environments
  • Compliance: DFARS and RoHS compliant for military and aerospace use
  • Professional Appearance: Black oxide finish adds a sleek and polished look to your projects

What Our Customers Say

January 19, 2026

Absolutely no complaints!

The quality is much, much, much, much better than I expected.

- Efnisien I..

January 19, 2026

Absolutely no complaints!

An outstanding item. It works so, so, so so very well.

- Dyfed Q..

January 19, 2026

Absolutely no complaints!

The user experience is supremely intuitive.

- Sabina S..

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