1/2-13 x 4 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) the driver in this kit

the driver in this kit is lobular in design

2015 IBC/IRC and 2012 IBC/IRC

6X1 1/2 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

8X1 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

1/2-13 x 4 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (150ct) the driver in this kitTap 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