1/2-13 x 4 Tap-Flex Thread-Forming Structural Screws, Hex Washer Head, Alloy Steel with Silver Stalgard SUB Coating

Tap-Flex^® Thread-Forming Structural Screws are thread-forming, 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 self-tapping screws are designed to offer a replacement option for traditional nut and bolt assemblies. Tap-Flex^® self-tapping screws provide an excellent solution for blind connections. The patented E-Form^® segmented thread profile design improves installation and forms threads that provide increased thread engagement.

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