Strut Clamps help secure pipes, tubes, and conduits to Unistrut Framing Channels. Clamps will help minimize or altogether eliminate vibration, shock, surge, galvanic corrosion, and unwanted noise. Pipes and tubes that are improperly clamped can create everything from annoying clanks to line failures. Our conduit clamps are made with an electro-galvanized zinc finish for lasting durability and dependability. Clamps are punch-press made and conform to ASTM specifications. Units are case hardened with unified coarse screw heads. Electro-galvanized zinc deposited on part in electroplating process., Lot of 5