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Hot Sale Elco Dril-flex‚® 1/4-20" X 4" 4-point Phillips Undercut Flat Head Self Drill Screw - 100 Qty Bundle [7MWavNB4]

$25.99 $83.99 -69%

ELCO DRIL-FLEX® Self-Drilling Screws - High-Performance Solution Introducing the ELCO DRIL-FLEX® 1/4-20" x 4" 4-Point Phillips Undercut Flat Head Self Drill Screw - a high-performance fastener designed for precision and durability. These self-drillin

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ELCO DRIL-FLEX® Self-Drilling Screws - High-Performance Solution

Introducing the ELCO DRIL-FLEX® 1/4-20" x 4" 4-Point Phillips Undercut Flat Head Self Drill Screw - a high-performance fastener designed for precision and durability. These self-drilling screws are engineered with a high-hardness point and lead threads, making them ideal for drilling and tapping applications. With their unique 4-point design, these screws provide increased resistance to Hydrogen-Assisted Stress Corrosion Cracking, offering a longer lifespan compared to case hardened fasteners. The Stalgard and Stalgard SUB coatings enhance galvanic compatibility in dissimilar metal applications, ensuring superior performance in various environments.

Key Specifications and Features

The ELCO DRIL-FLEX® self-drilling screws are crafted from alloy steel, providing exceptional strength and reliability. Each package contains 100 screws, ensuring ample supply for your projects. These screws are available in a convenient inch metric, with a callout size of 1/4" - 20 X 4". They are coated with Stalgard finish, which offers excellent corrosion resistance, as evidenced by their ability to withstand 2000 hours of 5% neutral salt spray exposure without showing signs of red rust or corrosion. The screws are also self-tapping, allowing for quick and easy installation in metal to metal applications.

Practical Applications and Benefits

Whether you are a professional tradesperson or a DIY enthusiast, the ELCO DRIL-FLEX® self-drilling screws are a versatile choice for a wide range of applications. From building construction to metal fabrication, these screws provide a secure and long-lasting fastening solution. Their ability to drill and tap in a single step saves time and effort, making them ideal for projects where speed and efficiency are crucial. With their corrosion-resistant coating and high tensile strength, these screws are a reliable choice for environments where durability is paramount. Upgrade your fastening solutions with the ELCO DRIL-FLEX® self-drilling screws and experience the difference in quality and performance.

What Our Customers Say

December 31, 2025

Absolutely no complaints!

A very sensible and very smart purchase.

- Davis Z..

December 31, 2025

Absolutely no complaints!

I'm so pleased. And it works so very great.

- Edith N..

December 31, 2025

Absolutely no complaints!

A great product. And I really like it.

- Erma E..

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