#12 x 1 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 4000 Thread Pattern: ISO Metric Thread

Thread Pattern: ISO Metric Thread

the hanger should be sitting 90 degrees perpendicular to the forming material

8-15X1 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

9X1 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

#12 x 1 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 4000 Thread Pattern: ISO Metric ThreadDril 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,