1Family:casting 2Name:nut and cylinder head 3Material:cast iron 4Usage:connecting or fastening etc ... name:casti iron nuts,casting nut,casting part,nut and cylinder headManufacturing process:sand casting,centrifugal casting etcMachining:turning,milling,drilling ... industry, heavy machinery, engineering machinery, water treatment etc.5.Flow Liquid: water ,oil or air6.Weight Range: depending on casting ...