1/2-13 X 1 1/2 Thread Cutting Screws / Slotted / Hex Washer Head / Steel / Zinc / Type F 3/16" x 1 -1/4" DeWALT

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

The slotted aluminum sleeve helps to hold fast without loosening or backing out even with internal and external vibrations

DeWALT SKU-DFM4EMH530-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-DFM4EMF430-The Crete-Flex anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

Window walls/glazing

1/2-13 X 1 1/2 Thread Cutting Screws / Slotted / Hex Washer Head / Steel / Zinc / Type F 3/16" x 1 -1/4" DeWALT