#12 x 1 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 4000 a lower hardness heat treatment

a lower hardness heat treatment provides Grade 5 bolt mechanical properties

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

8X2 1/2 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow

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

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

#12 x 1 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 4000 a lower hardness heat treatmentDril 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,