3/8-16 x 3 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) 7X1 Phillips Bugle Head Coarse

7X1 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

Shear testing conducted in accordance with AISI S905 using the standard lap joint shear test (with adjustments to allow for large fastener diameters)

meaning it grabs the flats of the screw and not the corners

Tap-Flex® Thread-Forming Structural Screws are thread-forming

6-18X2 1/4 Square Drive Trim Head Drywall Screw Fine Thread Black Phosphate

3/8-16 x 3 Elco Tap-Flex / Hex Washer Head / Steel / Stalgard (250ct) 7X1 Phillips Bugle Head CoarseTap 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