Hex Washer Head Concrete Screw

Concrete screws are designed to screw into hardened concrete. A pilot hole created with a concrete drill bit is required. Head styles are flat and hex washer. Hex washer heads provide for greater torque and usually have a slotted, Phillips or star type combination heads. High low threads provide greater holding power and require less torque to install. Typical blue finish provides good corrosion resistance. Stainless steel is also available.