... BS,ISO 3.Quantity: It can be negotiated. Investment-Casting-Jack-Nut 1) Materials: carbon steel, stainless steel, alloy steel ... nickel, chrome plating, painting, hot-dip galvanized and powder coating 5) Available processes: CAD/CAM service, metal processing, finishes and ... heat treatment 6) Product weight: 0.5 to 300kg 7) Precision machining: CNC lathes, milling, drilling, ...