Swiss Machining

MMi Sonora's Swiss machining provides our customers with the best-in-class quality for tight tolerance, custom parts. MMi utilizes lean principles to direct operations in an ISO certified facility that is equipped with the latest Swiss machining centers. MMi is able to produce small parts with exceptional tolerances to meet the requirements of the medical, aerospace, and defense industries. We work with both common and exotic metals and plastics too numerous to list.

Swiss Machining Envelope


Max part Length: 6.5 in Max Bar Diameter: 32 mm




Capable Tolerancing


± .0001 in diameters




Machining Capabilities


Gang Tooling Turret Tooling Lights out Manufacturing




Materials Manufactured


Aluminum (all alloys/tempers) Stainless Steels (including 3xx, 4xx, 17-4 (all conditions), 15-5) Alloy steels Copper Plastics (including: peek, ultem, polycarbonate, nylon, delrin, and more) High Nickel alloys





Swiss turned drive shafts made of hardened stainless.  Achieving ±.0002" bearing journals, and .001" true position on thru holes