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Member Exclusive Jfast 1406mpu188b - 1/4-20x3/8 Phillips Flat Undercut Machine Screw Fuly Threaded 18 8 Stainless Steel Black Ox, Case Quantity: 1,000 Full Package [Q1u6ePod]

$37.99 $121.99 -69%

JFAST Machine Screw - High-Quality Stainless SteelIntroducing the JFAST 1406MPU188B - 1/4-20X3/8 Phillips Flat Undercut Machine Screw, a premium choice for your fastening needs. This fully threaded screw is designed to provide exceptional strength an

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Member Exclusive Jfast 1406mpu188b - 1/4-20x3/8 Phillips Flat Undercut Machine Screw Fuly Threaded 18 8 Stainless Steel Black Ox, Case Quantity: 1,000 Full Package [Q1u6ePod]

JFAST Machine Screw - High-Quality Stainless Steel

Introducing the JFAST 1406MPU188B - 1/4-20X3/8 Phillips Flat Undercut Machine Screw, a premium choice for your fastening needs. This fully threaded screw is designed to provide exceptional strength and durability, making it ideal for a wide range of applications. Crafted from 18-8 stainless steel, this screw boasts excellent corrosion resistance, ensuring long-lasting performance even in harsh environments. With its black oxide finish, it offers not only durability but also a sleek, professional appearance.
  • High Strength and Durability: The 18-8 stainless steel construction ensures that this screw can withstand heavy loads and harsh conditions.
  • Corrosion Resistance: The black oxide finish provides excellent resistance to corrosion, making it suitable for outdoor or industrial applications.

Technical Specifications and Features

The JFAST 1406MPU188B is a fully threaded machine screw with a 1/4-20 thread size and a length of 3/8". It features a flat undercut head and a Phillips drive style, making it easy to install with a standard screwdriver. The screw's head diameter ranges from 0.442 to 0.477 inches, and its head height is between 0.092 and 0.107 inches. This screw is fully threaded, providing maximum grip and holding power. The driver size is 3, ensuring compatibility with most standard screwdrivers.
  • Thread Size: 1/4-20
  • Length: 3/8"
  • Head Style: Flat Undercut
  • Drive Style: Phillips

Practical Applications and Benefits

The JFAST 1406MPU188B is a versatile fastener that can be used in a variety of applications, from home improvement projects to industrial assembly. Its high strength and corrosion resistance make it an excellent choice for outdoor furniture, automotive repairs, and general construction. With a case quantity of 1,000, this product is perfect for bulk orders, ensuring that you always have the fasteners you need on hand. The black oxide finish not only enhances the screw's durability but also gives it a clean, professional look that complements any project.
  • Wide Range of Applications: Ideal for outdoor furniture, automotive repairs, and general construction projects.
  • Bulk Orders: Case quantity of 1,000 for convenient bulk purchasing.

What Our Customers Say

January 21, 2026

Absolutely no complaints!

A product that inspires complete confidence.

- Ivor N..

January 21, 2026

Absolutely no complaints!

A great product that is very, very, very, very smart.

- Dwynwen K..

January 21, 2026

Absolutely no complaints!

This product is a real and true game-changer.

- Jago P..

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