Powers™ Drop-In Anchor, Lipped Mini Threaded, Series: Dropin™, 1/2 in Bolt/Rod, 1/2-13, Carbon Steel, 5/8 in Drill, 1 in Minimum Embedment Depth, UNC, 1 in Overall Length, 4400 lb at 3000 psi/4875 lb at 4000 psi/6000 psi for Concrete Shear Strength, 3360 lb at 3000 psi, 4000 psi, 3750 lb at 6000 psi for Normal Weight Concrete Tensile, Zinc Plated