5/8-11 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (200ct) apply pressure to head of

apply pressure to head of anchor to lock in place

8X2 1/2 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

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

Made In USA

High-hardness point and lead threads for drilling and tapping

5/8-11 x 1-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (200ct) apply pressure to head ofTap 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