Unistrut P3300HS-10PG 1-5/8" x 7/8" x 10ft Round Hole Strut, 12 Gauge, Steel, Pre-Galvanized

The P3300HS has round holes on the back side for use with 1/2" threaded rod and fasteners. These holes can eliminate the need for field drilling when installing a trapeze support, anchoring the channel to a surface, or for many other applications. This channel is commonly used for trapeze supports, seismic bracing, and anchoring to floors, ceilings and walls.