3/8-16 x 3 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) and wood base materials

and wood base materials

6-20X1 1/4  Phil Bugle Full Thread Self Drill Drywall Screw Zinc Bake 1

10X6 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

Curtain Wall/Cladding

3/8-16 x 3 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) and wood base materialsTap 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