... ,according to customers' drawings or samples.3).Materials: Stainless steel ,cold work steel ,spring steel ,aluminum alloy,brass, bronze,copper, plastic ,according ... requirements.5).High quality control.100% inspection before shipping.Measuring tool:CMM,Projector,High gauge,Caliper,Pin Gauge,Thread gauge ... .002ID/OD Grinding 0.002Wire-Cutting 0.002 Stainless steel cnc precision machining products