1/4-20 x 6 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 250 1/4" x 1-1/4" DeWALT Blue

1/4" x 1-1/4" DeWALT Blue Concrete Screws

Water pipes (plumbing)

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

Dril-Flex Structural Screws are dual heat treated self-drilling tapping screws that provide the strength

Plastic ring creates countersunk recess to keep threads clean from pour residue

1/4-20 x 6 Elco Bi-Flex / Hex Washer Head / 18-8 Stainless / Stalgard / QTY 250 1/4" x 1-1/4" DeWALT BlueBi 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. Bi Flex screws are suitable for use in both steel and aluminum. Features & Specs High strength, ductility and reliability Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners 18 8 stainless compatible with pressure treated lumber Immune to