Minerallac® Minerallac Traditional® Beam Clamp, 1/4-20 Rod, 1/2 in Flange Width, 75 lb, 1/4-20 x 1 in Bolt, For Use With: #0 to 5 Conduit Hanger, Bridal Ring and Threaded Rod, Silver Color, 40 N-m Torque Rating, Steel, Zinc Plated, 1.68 in L x 0.87 in W x 1.4 in D