1/4-20 x 2-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Eliminates thread-tapping operations and allows

Eliminates thread-tapping operations and allows for blind installations (e

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

8-18X2 1/2 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

Suspended ceiling and lighting

International Code Council

1/4-20 x 2-1/2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 1000 Eliminates thread-tapping operations and allowsDril 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,