1/4-20 x 3 Elco Bi-Flex / Phillips / Flat Head Undercut / 18-8 Stainless / Stalgard / QTY 500 DeWALT flat phillips blue concrete

DeWALT flat phillips blue concrete screw

3/16" x 2-3/4" DeWALT blue concrete screws

Bi-Flex screws are suitable for use in both steel and aluminum

Gimlet Point

1/4-20 x 3 Elco Bi-Flex / Phillips / Flat Head Undercut / 18-8 Stainless / Stalgard / QTY 500 DeWALT flat phillips blue concreteBi 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