Beam-clamp Malleable Iron Galvanized Steel 1/4"

Top beam clamp. For attaching Superstrut pipe hangers to beams using threaded rod. Malleable iron. Goldgalv electro-plated zinc finish. Clamps have tapped holes in base and back to accept bolt or hanger rod. Jaw openings accomodate I-beam, column, or angle flanges up to 1" thickness. Poly bag of 1 each.No. Z500-25: 1" x 1-1/4" base, 15/16" jaw opening, tapped 1/4 20No. Z502-10: 2" x 2" base, 1" jaw opening, tapped 3/8 16No. Z503-5: 2-5/8" x 2-1/2" base, 1" jaw opening, tapped 1/2 13