Tanner Nut & Bolt - Fasteners & Industrial Safety Supplies
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Thread-Forming Structural Screw
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Material
Alloy Steel
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Silver Stalgard® SUB Coating
Stalgard Silver SUB Coating
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Elco Construction Products
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Tap-Flex®
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 Thread-Forming Structural Screw(36)
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Tap-Flex™ Thread-Forming Structural Screws

Increased Thread Engagement with Strength & Ductility

These thread-forming screws are dual heat treated, self-tapping fasteners that provide the strength, ductility, and resistance to embrittlement failures required in critical curtain wall and dissimilar metal applications. Tap-Flex fasteners are engineered to replace nut and bolt assemblies and Taptite® fasteners commonly used in building construction.

  • Decreases thread-forming torque, easing starting and placement
  • Overcomes friction build-up and reduces drive torque
  • Increases thread engagement, so it resists back-out and loosening caused by vibration or thermal changes

Be sure to save, print or share Tanner's Line Card PDF for a quick reference to our always expanding product offerings.


  • Diameters: 3/8", 1/2", and 5/8"
  • Lengths: 1-1/2" – 5"
  • Head Style: Hex washer with Underhead Serrations
  • Threads: E-Form Five-Lobe Thread Forming
  • Material: Alloy Steel
  • Finishes: Silver Stalgard® SUB Coating
  • Grade 5: Meets ASTM A449 Specifications (120 ksi strength)
   

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