Product Specification: Φ30
Material: 20CrMn, 20CrMo
Surface Finish: Ra0.63 - Ra0.16
Size Precision: Grade IT8 - IT9
Product Application: Valve mechanism of Diesel Engine
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fuel system , fuel system tester , engine fuel system , Auto Fuel System , Audi Engine Fuel System , Quality Auto Fuel System , Exchanger Fuel System