Cast Iron Casted and Machined SleeveMaterial: ASTM A536 80-55-06Process: Green sand casting+precision machiningUnit Weight: 55 KGSMOQ: 500 PCSCasting Tolerance: ISO 8062 CT-10 ClassMachining Tolerance: ±0.1mm Hot Tags: cast iron casted and machined sleeve, China, manufacturers, suppliers, factory, wholesale, customized, buy, made in China, Cooling Equipment Accessories, Metal Automotive Steel Precision Castings, Precision Casting Alloy Steel Auto Parts, Casting Construction Machinery Accessories, Precision casting carbon steel auto parts, Precision Casting Auto Engine Bracket Parts