#12 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 6-17X7/16 Phillips Pan Head Serrated

6-17X7/16 Phillips Pan Head Serrated Fine Drywall Framing Screw Black Oxide

Bi-Flex screws are suitable for use in both steel and aluminum

7-16-X2 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

8X1/2 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

#12 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 6-17X7/16 Phillips Pan Head SerratedDril 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,