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Fast Shipping Elco Bi-flex‚® 1/4-20" X 4" 5-point Hex Washer Head Self Drill Screw - 500 Qty Massive 35% Savings [4Gv9nioP]

$60.99 $195.99 -69%

ELCO BI-FLEX® Self-Drilling Screws - Premium Quality at Your FingertipsThe ELCO BI-FLEX® 1/4-20" x 4" 5-Point Hex Washer Head Self Drill Screw - 500 Qty is a top-tier fastener designed for exceptional performance and durability. Engineered with high

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ELCO BI-FLEX® Self-Drilling Screws - Premium Quality at Your Fingertips

The ELCO BI-FLEX® 1/4-20" x 4" 5-Point Hex Washer Head Self Drill Screw - 500 Qty is a top-tier fastener designed for exceptional performance and durability. Engineered with high strength, ductility, and reliability, these screws are the perfect solution for a wide range of applications. Their unique design includes a 5-point hex washer head, ensuring a secure and stable fit every time. With a package of 500, these screws are ideal for both small and large projects.
  • High strength and ductility provide long-lasting performance.
  • Immune to hydrogen assisted stress corrosion cracking (HASCC) ensures long-term reliability.

Technical Specifications and Material Details

Crafted with precision, the ELCO BI-FLEX® screws are made from a bi-metal combination of 18-8 stainless steel and alloy steel, offering superior corrosion resistance compared to carbon steel and 410 series stainless steel fasteners. The screws are coated with Stalgard GB, which enhances galvanic compatibility in dissimilar metal applications, including connections involving aluminum. These self-drilling and self-tapping screws are compatible with pressure-treated lumber, making them an excellent choice for outdoor projects. Here are the key specifications:
  • Country of Origin: TWN
  • Fastener Length: 4 inches
  • Material: Bi-Metal (18-8 Stainless Steel and Alloy Steel)

Practical Applications and Benefits

The ELCO BI-FLEX® 1/4-20" x 4" 5-Point Hex Washer Head Self Drill Screw is a versatile fastener that is perfect for a variety of applications. Whether you're working on metal-to-metal connections, outdoor projects involving aluminum, or tasks that require a high level of corrosion resistance, these screws are up to the challenge. Their self-drilling and self-tapping capabilities make them ideal for fastening into wood or metal without the need for pre-drilling. With a package of 500 screws, they are perfect for both professional contractors and DIY enthusiasts. Choose ELCO BI-FLEX® for quality, reliability, and performance that won't let you down.
  • Self-drilling and self-tapping for easy installation.
  • High corrosion resistance for long-lasting durability.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

This is a very satisfyingly tactile product with great feedback.

- Tactile_Fanatic_Tanya.

January 1, 2026

Absolutely no complaints!

It's a very well-made and reliable set.

- Nia D..

January 1, 2026

Absolutely no complaints!

This is a product that has met all my needs.

- Jayden T..

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