#12 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8X1/2 Phillips Modified Truss Head

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

8-18X2 3/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

Aluminum-to-aluminum connections

10X3/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

#12 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8X1/2 Phillips Modified Truss HeadDril 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,