Foundation bolts, also known as anchor bolts, are a type of fastener used to connect structural and non-structural elements to concrete. They are commonly used in the construction industry to anchor structures to their foundations, providing the necessary support to ensure stability and safety. The leg of bolt is firmly embedded in concrete after it cures, allowing for clamping on the threaded portion of the bolt. Available in 1/2 x 6 and 1/2 x 8 coarse thread with nut and washer.