3/8-16 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (400ct) Thread Pattern: ISO Metric Thread

Thread Pattern: ISO Metric Thread

Internal threads eliminate the need and cost of couplings

6X3 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

E-Form® thread profile overcomes friction build-up and reduces drive torque

3/8-16 x 2-1/2 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (400ct) Thread Pattern: ISO Metric ThreadTap 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