These 1/4-inch x 1-3/4-inch Concrete Screws are manufactured from case hardened carbon steel, with a unique thread design to give exceptional holding power in most masonry materials. As the screw is installed, it cuts threads into the material for superior holding. These concrete screws are coated for corrosion resistance. They are ideal for use in attaching screen enclosures, electrical equipment, plumbing fixtures, hurricane shutters, lumber and more.
- A perfect choice for attaching steel and wood with a unique thread that gives exceptional pullout resistance
- Specially designed to hold strong into most building materials
- Hardened carbon steel with high performance ceramic coating giving excellent corrosion resistance