1/2-13 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) 10X1 5/8 Phillips Bugle Head

10X1 5/8 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

6-18X1 5/8 Square Drive Trim Head Drywall Screw Fine Thread Black Phosphate

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

and pour concrete

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

1/2-13 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) 10X1 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