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Self-Drilling Screw
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Stainless Steel
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Product Brand
Elco Construction Products
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Bi-Flex®
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Bi-Flex™ 300 Series Stainless Steel Bi-Metal Self-Drilling Screws

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

Bi-Flex™ fasteners provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws.

  • High strength, ductility and reliability
  • Virtually immune to delayed embrittlement failures
  • Greater galvanic compatibility in dissimilar metal applications involving aluminum
  • High in-place value over the life of application


  • Diameters: #10 to 1/4"
  • Lengths: 3/4" to 8"
  • Head Styles: Hex washer, pan, pancake, flat and undercut flat
  • Drive Systems: Hex and phillips
  • Material: Hardened steel tapping threads and point fused onto an 18-8 stainless steel shank and head
  • Finishes: Stalgard® GB (Galvanic Barrier) coating
   

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