Powers™ Drop-In Anchor, Threaded, Series: Hollow-Set™ Dropin™, 3/8 in Bolt/Rod, 3/8-16, Zamac Alloy/Carbon Steel, 5/8 in Drill, 1 in Minimum Embedment Depth, 15/16 in Thread Length, UNC, 1-5/16 in Overall Length, 2550 lb at 2000 psi/4000/6000 psi for Concrete Shear Strength, 1370 lb at 2000 psi, 2070 lb at 4000 psi, 2290 at 6000 psi for Normal Weight Concrete Tensile