2-56 X 3/16 Thread Forming Screws / Torx / Pan Head / Steel / Zinc / Taptite Alternate 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-DFM4EMH500-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

This kit is far better than the ITW Buildex Condrive(R) 500A Tapcon(R) Installation tool for which it is a direct replacement

it's that simple

10-14X4 Phillips Bugle Head Fine Thread Drywall Screw Black Phosphate

2-56 X 3/16 Thread Forming Screws / Torx / Pan Head / Steel / Zinc / Taptite Alternate Bi-Flex structural screws are bi-metal