1.Material:6061/6063 2.machinery,autos,equipments. 3.Bit tolerance,best price 4.mould can lead 5.modern CNC processing 1.Features:1. Raw materials: from pure aluminum to duralumin2. Resistant corrosion,resistant aging, fastness, easy installation.3. Utility: machinery, autos, equipments.4.Surface treatments:deburr,polishing,sandblasting,nickel plating,chrome plating,oxidation,plastic,spray-paint, ...