5/8-11 x 2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) 1/4" x 1-1/4" DeWALT Blue

1/4" x 1-1/4" DeWALT Blue Concrete Screws

Window walls/glazing

Brand part # DFM12704

Crete-Flex® Phillips Flat (Trim) #14 X 2-1/4 410 Stainless

5/8-11 x 2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) 1/4" x 1-1/4" DeWALT BlueTap Flex Thread Forming Structural Screws are thread forming, dual heat treated self tapping fasteners that provide the strength, ductlity, and resistance to embrittlement failures required in critical curtain wall and dissimilar metal applications. Tap Flex fasteners are designed to offer a replacement option for traditional nut and bolt assemblies. These fasteners provide an excellent solution for blind connections. The patented E Form segmented