4-40 x 5/16 THREAD FORMING SCREWS / Phillips / Pan Head / Steel / Zinc Internal threads eliminate the need

Internal threads eliminate the need and cost of couplings

DeWALT SKU-DFM4EMF450-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

Closed bottom versions (the cone is sealed to prevent dirt from getting in) are available also in selected sizes

The UltraCon+ fastening system is a complete family of screw anchors for light to medium duty applications in concrete

DeWALT SKU-DFM3EML315-The Aggre-Gator anchor is a Bi-Metal 300 series stainless screw anchor for light to medium duty applications in concrete and masonry block base materials

4-40 x 5/16 THREAD FORMING SCREWS / Phillips / Pan Head / Steel / Zinc Internal threads eliminate the need