Chemical Metal Etching, Precision Metal Etching, Chemical Etching, Metal Etching, Photochemical Etching, Chemical Etching Metal, Chemical Etcher, Metal Etching Solution; Precision Photo Chemical Machining of Most Metals & Alloys. ISO 9001:2000 Registered An Alternative To Conventional Stamping & Machining Methods For Prototypes & Production Thin Metal Parts. Stocking Many of the Metals That Are Commonly Used: Thickness From 0.0005" To 0.063" Including Copper, Brass, Beryllium Copper, Phosphor Bronze ...