3/8-16 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (400ct) strike the mounting nails to

strike the mounting nails to break them off

#3 Drive Size

Keeps internal threads clean

7X 2 1/2 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow

3/8-16 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (400ct) strike the mounting nails toTap 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