Aluminum parallel groove clamps 

ONE- AND TWO-BOLT ALUMINUM PARALLEL GROOVE CLAMPS

• Cast of high-strength copper alloy & aluminum alloy
• Copper inserts always face each other
• Order prefilled with oxide inhibitor for use on copper to aluminum
• Clamps are high-strength, heat-treated cast aluminum alloy
• Galvanized-steel carriage bolt, nut and lockwasher standard
• Extruded aluminum alloy, furnished with hex head bolt