#12 x 2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 3/16" x 3-1/4" DeWALT blue

3/16" x 3-1/4" DeWALT blue concrete screws

Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners

DeWALT SKU-DFM4EMH510-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

DeWALT SKU-DFM4EMF360-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

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

#12 x 2 Elco Dril-Flex / Hex Washer Head / Steel / Stalgard / QTY 2000 3/16" x 3-1/4" DeWALT blueDril 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,