1/4-20 x 4 Elco Bi-Flex / Phillips / Flat Head Undercut / 18-8 Stainless / 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)

10X4 Phillips Recess Bugle Head Coarse Thread Drywall Screw Zinc Yellow

8X2 Phillips Modified Truss Head Fine Thread Drywall Screw Fully Threaded Zinc

10X3/4 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

1/4-20 x 4 Elco Bi-Flex / Phillips / Flat Head Undercut / 18-8 Stainless / Stalgard / QTY 500 resulting in a fastener withBi Flex structural screws are bi metal self drilling tapping screws that provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws. Bi Flex screws are suitable for use in both steel and aluminum. Features & Specs High strength, ductility and reliability Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners 18 8 stainless compatible with pressure treated lumber Immune to