1/4-20 x 1-1/8 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8-18X2 1/4 Phillips Bugle Head

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

Fasteners coated with Stalgard® typically show no red rust or other base metal corrosion on significant surfaces after 1000 hours of salt spray exposure in accordance with ASTM B117

Immune to hydrogen assisted stress corrosion cracking (HASCC)

6X1 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow

1/4-20 x 1-1/8 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2500 8-18X2 1/4 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,