1/4-20 x 1-1/8 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8X2 3/4 Phillips Bugle Head

8X2 3/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

strike the mounting nails to break them off

6-18X1 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

The parts are also seismically qualified for use in cracked concrete

1/4-20 x 1-1/8 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8X2 3/4 Phillips Bugle 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,