M5 x 40 METRIC MACHINE SCREWS / Torx / Flat Head / A2 Stainless / Plain Bi-Flex structural screws are bi-metal

Bi-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

DeWALT SKU-DFM4EMF350-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

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

Metric Phil Flat 7

6-17X7/16 Phillips Pan Head Serrated Fine Drywall Framing Screw Black Oxide

M5 x 40 METRIC MACHINE SCREWS / Torx / Flat Head / A2 Stainless / Plain Bi-Flex structural screws are bi-metal