Stamped Beam Clamp Beam Clamp Type C-Clamp Beam Mount Location Top Clamp Material Steel Clamp Material Finish Pre-Galvanized Clamp Width 0.85 in For Beam Shape/Type C-Purlin H-Beam I-Beam For Threaded Rod Size 3/8 in Installation Torque 5 ft-lb Load Capacity 500 lb For Maximum Beam Thickness 3/4 in Includes Threaded Rod Yes Standards ANSI/MSS-SP-58 Type 19 cUL WW-H-171 Type 23 FM Approved UL Listed