Cobore, Inc. is an ISO 9001-2015 Certified facility specializing in unusually long parts requiring tight internal diameter size tolerances and positional tolerances that standard machine shops are unable to produce. We guarantee exceptional quality with 0.010" (0.25 mm) concentricity positional tolerance and 0.010" (0.25 mm) straightness tolerance. We are committed to providing the highest level of service and on-time delivery, employing lean manufacturing practices.
We offer a range of in-house value-added processes to your drilling needs, such as honing, burnishing, saw cutting and O.D. turning machining and inventory management of customer material. These services result in cost savings, quality control and shorter lead times for your order.