1/4-20 x 2-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 8X1 3/4 Phillips Bugle Head

8X1 3/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

International Code Council

7X1 5/8 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

Suspended ceiling and lighting

dual heat treated self-tapping fasteners that provide the strength

1/4-20 x 2-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 8X1 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,