1/2-13 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (200ct) 7X1 1/2 Phillips Bugle Head

7X1 1/2 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

7X1 1/2 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

Serrations on underside of hex washer head lock against the fixture

1/4" x 3-1/4" DeWALT blue concrete screws

10-14X3 3/4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

1/2-13 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (200ct) 7X1 1/2 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