5/8-11 x 2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) 8-18X2 5/8 Phillips Bugle Head

8-18X2 5/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

Brand part # DFM12704

Blue plastic ring acts as insert locator when forms are removed

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

Window walls/glazing

5/8-11 x 2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) 8-18X2 5/8 Phillips Bugle HeadTap 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