The Hilti HUS3-H 6x40 5/- Concrete Screw is a high-quality fastener designed for use in concrete. With a gauge of 6 and a screw size of #6, this concrete screw is suitable for a variety of applications. The mandrel material is steel, and the drive style is star-shaped, making it easy to install. This product, manufactured in Taiwan, comes in a pack of 100 and has a zinc finish for durability and protection against corrosion. Ideal for industrial and commercial projects, the Hilti HUS3-H Concrete Screw is a reliable and efficient choice for fastening tasks.