Beam Clamp, Malleable Iron, .25-In.

1/4" malleable iron beam clamp, -20 threaded openings, fits flanges up to 1-5/16" thick, supports threaded rod, threaded brindle rings & electrical boxes, malleable iron with electroplated bright zinc plating, set screw load rating 250, static load limit 250 lb, based on a safety factor of 3, load rating based on bottom hole of beam clamp, torque inlb 60.