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In Stock Jfast Ms51957-18 - 4-40 X 5/8 Ms51957 Nas-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/s Dfar, Case Quantity: 2,000 - Us Warehouse [McEdGo0p]

$42.99 $137.99 -69%

JFAST MS51957-18 Machine Screws: High-Quality Stainless Steel FastenersIntroducing the JFAST MS51957-18, a premium-quality machine screw designed for precision applications. Engineered to meet stringent military specifications, these screws are ideal

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In Stock Jfast Ms51957-18 - 4-40 X 5/8 Ms51957 Nas-1635 Phil Pan Machine Screw Coarse Full Thread 300 Series S/s Dfar, Case Quantity: 2,000 - Us Warehouse [McEdGo0p]

JFAST MS51957-18 Machine Screws: High-Quality Stainless Steel Fasteners

Introducing the JFAST MS51957-18, a premium-quality machine screw designed for precision applications. Engineered to meet stringent military specifications, these screws are ideal for use in various industries, including aerospace, defense, and automotive. The MS51957-18 features a 4-40 size, 5/8" length, and a pan head design, providing exceptional strength and durability. With their full thread design, these screws offer maximum gripping power, ensuring a secure fit in any application.
  • Material: Constructed from 18-8 stainless steel, these screws are known for their corrosion resistance and excellent strength, making them suitable for harsh environments.
  • Drive Style: The Phillips drive style allows for easy installation and removal, enhancing the overall efficiency of your projects.

Key Features and Specifications

The JFAST MS51957-18 machine screws are a perfect blend of form and function. Their coarse full thread design ensures maximum holding power, while the plain finish maintains a clean and professional look. With a DFAR-compliant status, these screws meet the strictest government procurement requirements. Here are some of the key features and specifications that make this product stand out:
  • Size: 4-40
  • Length: 5/8"
  • Head Style: Pan Head
  • Drive Style: Phillips
  • Material: 18-8 Stainless Steel
  • Finish: Plain

Applications and Benefits

Whether you're working on a high-stakes defense project or an intricate mechanical assembly, the JFAST MS51957-18 machine screws are a reliable choice. Their compliance with DFAR and RoHS standards ensures that they meet the highest industry standards. The following applications highlight the versatility and practical uses of these screws:
  • Aerospace: Used in aircraft manufacturing and maintenance for secure and durable fastening solutions.
  • Defense: Ideal for military equipment, providing reliable fastening in challenging environments.
  • Automotive: Enhance the performance and longevity of automotive components with these high-quality machine screws.
With a case quantity of 2,000, the JFAST MS51957-18 machine screws offer a cost-effective solution for bulk orders, ensuring that you have the right fasteners on hand whenever you need them. Trust JFAST for quality, reliability, and performance in every screw.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

Solid construction, performs like a champ.

- Jayce Q..

January 26, 2026

Absolutely no complaints!

I'm happy with the purchase.

- Kara F..

January 26, 2026

Absolutely no complaints!

A stellar product in every regard.

- Benjamin Z..

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