1/4-20 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 including those involving aluminum

including those involving aluminum

8-18X2 1/4 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

and forms are stripped

Stairs and Risers

1/4-20 x 1-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 including those involving aluminumDril 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,