5/16-24 x 2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Window Walls/Glazing

Window Walls/Glazing

and forms are stripped

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

have a large flanged head

it's that simple

5/16-24 x 2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Window Walls/GlazingDril 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,