- New
The Rich HCBL316114DMK concrete screws are designed for fastening applications in concrete and masonry. They feature a hexagonal washer head, a high-low thread design and a blue protective coating. Measuring 3/16 inch in diameter and 1-1/4 inches long, they provide a practical fastening solution for compatible installation projects. Confirm the substrate, required pilot-hole size and installation instructions before use. Pack quantity should be verified against the product packaging.