... +/- 0.1mm 3. Perfect surface 4. Machine: TRUMPF & AMADA High efficiencyHigh precisionPerfect surface Precision metal casingsMaterial: Mild steel, Stainless steel, Aluminum ... punching, piercing, welding, spot welding, bending, forming, cutting, spot welding, shearing, deburring, painting, metal finishing, electromechanical assembly, metal fabrication, riveting and fastening. Precision metal casings