... tested with 30 P.S.I air pressure under water Die and mold casting process Can offer ... , milling, grinding, drilling and reaming and threading Surface finish process: polishing shot blasting, chromate plating, ... industrial uses Processes: CAD service, metal processing, surface plating, QC testing and packing Weight: 0. ... Body Casting Mold,30psi Air Pressure Under Water and Power Coated Surface Finish