... 0.5mm to 15mm; 4.surface treatment: zinc plated. High quality stamping parts for auto car1) material of stamping part:steel, steel alloy ... stainless steel;2) stamping precision: 0.1mm;3) machine: punching machine from 5T, 15T,30T,40T,60T,80T,100T,120T,150T ... we can do: 15mm;7) Other Production equipment: bending machine, nibbler, hydraulic machine, table drill;8) surface treatment: zinc plated, powder ...