An anchor bolt is used to attach objects or structures to concrete.L-Hook, 3/4"-10, 10" L, Steel Hot Dipped Galvanized, 10 PK Anchor bolts are extensively used on all types of projects, from standard buildings to dams and nuclear power plants..
.1/4"-20 x 5-1/2" Zinc Plated Grade 2 / A307 Steel Coarse Thread Carriage Bolts 100PK A carriage bolt has a domed or countersunk head, and the shank is topped by a short square section under the head.