1/2-13 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) Governing Standard: Steel per ASTM

Governing Standard: Steel per ASTM A574M

resulting in a fastener with increased ductility having no significant susceptibility to Hydrogen-Assisted Stress Corrosion Cracking (HASCC)

8-15X1 1/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

6-20X1 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

1/2-13 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) Governing Standard: Steel per ASTMTap 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