Name :insulator fitting Material:cast iron Surface treatment:sand blasted Heat treatment: Anneal. ... : 0.02 to 30kg 6.Application: Industrial parts, Machinery parts, hardware, construction parts, valve/valve parts,train,craft,doorhandle,hinge,hydraulicpressure ... service10.surface treatment,polishing,machining,machining center,plating,HeatTreatment,ect Clamp Insulator fitting