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Metal Fastening Flex Technology Products

Alumi-Flex Logo

Elco Alumi-Flex™ 302 (18-8) Stainless Steel Self-Drilling Screws

Fastening to Aluminum when Corrosion & Galvanic Reaction are a Primary Concern

View Our Full Line of Alumi-Flex™ Self-Drilling Screws Here

Bi-Flex Logo

Elco Bi-Flex™ 300 Series Stainless Steel Bi-Metal Self-Drilling Screws

Bi-Metal Technology Provides Outstanding Corrosion Resistance & Long Service Life

View Our Full Line of Bi-Flex™ Bi-Metal Self-Drilling Screws Here

Dril-Flex Logo

Elco Dril-Flex® Structural Self-Drilling Screws

Virtually Immune to Delayed Embrittlement Failures

  • Part of the Elco Flex Technology Family - Learn More (opens in new window)
  • Dual heat treated drill screws provide the strength, ductility & resistance to embrittlement required for critical applications
  • Stalgard SUB coating provides 2000 hours of salt spray resistance per ASTM B117
  • High-hardness points & lead threads for drilling & tapping with lower-hardness in load-bearing threads for ductility

View Our Full Line of Dril-Flex® Structural Self-Drilling Screws Here

Tap-Flex Logo

Elco Tap-Flex™ Thread-Forming Structural Screws

Increased Thread Engagement with Strength & Ductility

View Our Full Line of Tap-Flex™ Thread-Forming Structural Screws Here