1/4-20 x 7/8 MACHINE SCREWS / Phillips / Flat Head Undercut / Steel / Zinc 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

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

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

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

Thread Pattern: ISO Metric Thread

1/4-20 x 7/8 MACHINE SCREWS / Phillips / Flat Head Undercut / Steel / Zinc Bi-Flex structural screws are bi-metal