We've been in the machining business and located on the North side of Chicago for more than 30 years, helping people and businesses in all aspects of machining quickly and professionally. Quick Proto Parts's machining services including CNC rapid prototyping & custom CNC manufacturing in both metal and plastic materials. Materials that are commonly used but not limited to are aluminum, magnesium alloy, zinc alloy, steel, stainless steel, copper, and plastic. No job is too small! If you need our machines to start threading, knurling, drilling, or tapping contact us today!