... die casting,grounding copper clamp, copper saddle wire clamp 1, Material: Copper Alloy. 2, weight:100g 3.earth rod wire clamp die casting,grounding rod ... quality castings are made of gray iron, ductile iron, aluminum, brass etc.Quality control checks are performed throughout the casting ... iron, Carbon Steel; Alloy Steel; ductile iron;gray iron;Aluminum Alloy;Copper Alloy.2, Standard: ASTM, GB or as per ...