1/4-20 x 4 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 500 resulting in a fastener with

resulting in a fastener with increased ductility having no significant susceptibility to Hydrogen-Assisted Stress Corrosion Cracking (HASCC)

8X1 5/8 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

E-Form® thread profile overcomes friction build-up and reduces drive torque

10X6 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

6-20X1 7/8 Phillips Bugle Head Full Thread Self Drilling Drywall Screw Zinc and Bake

1/4-20 x 4 Elco Dril-Flex / Phillips / Flat Head / Steel / Stalgard / QTY 500 resulting in a fastener withDril 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,