... steel, spring steel, aluminum, brass 2) Surface finish: zinc/nickel furniture bracket1) Material: stainless steel, carbon steel, spring steel, aluminum, brass ... software for specification drawings: Pro/E, Auto CAD, Solid Work 2001, CAXA, UG, CAD/CAM/CAE. 4) Precision machine: normal punch ... cabinet, instrument parts, auto parts, electric equipment parts, construction hardware. furniture bracket