#10 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 and resistance to embrittlement failures

and resistance to embrittlement failures required in critical curtain wall and dissimilar metal applications

Pull-out testing conducted in accordance with AISI S905 using the alternate tension test (with adjustments to allow for large fastener diameters)

7-16X7/16 Phillips Pan Head Serrated Fine Drywall Framing Screw Black Oxide

3/16" x 1 -1/4" DeWALT blue concrete screws

10-16X4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

#10 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 and resistance to embrittlement failuresDril Flex Structural Screws are dual heat treated self drilling tapping screws that provide the strength, ductility and resistance to embrittlement required for critical applications. Features & Specs High hardness point and lead threads for drilling and tapping Stalgard and Stalgard SUB Coatings provide improved corrosion resistance as well as enhanced galvanic compatibility in dissimilar metal applications, including those involving aluminum,