Precision Machining

Your One-Source Precision Components Solution

Deco2New_fpoCSI Group’s precision machining resume is impressive. Not to be confused with any precision machine shop, CSI has over 600 hundred machines in four countries capable of handling a wide range of high-precision components—meeting diverse customer needs. CSI’s micromachining produces extremely complex geometries with high precision. With micromachining, parts can be produced for micron-size components utilizing a metal deposition process and traditional turning/milling.

With the CNC precision machining technology of milling and Swiss screw machining, some of which are custom-built, CSI can handle the smallest and tightest tolerances necessary. Some machines have up to 11 axes, with high-speed production yields up to 120 pieces per minute, resulting in 850K parts per week capacity. CSI can deliver small-, medium-, and high-volume orders and can provide express prototyping in any of the materials they machine. CSI is able to deliver complex parts at competitive prices.

Precision machining capabilities include:

  • Swiss screw machine
  • Clip-Shell and hood assembly
  • Turning & screw cutting
  • Milling
  • Annealing batch & zone
  • Deburring
  • Heat treatment
  • Plating
  • Small part stamping
  • Assembly
  • Thread whirling
  • Broaching internal and external
  • Polygon milling
  • Bending/forming on the lathe
  • Specialty, custom-designed and built—including transfer and sorting machines


  • Aerospace
  • Automotive
  • Defense
  • Industrial
  • Manufacturing
  • Medical and Instrumentation
  • Nuclear
  • Oil & Gas
  • Railway
  • Technology
  • Telecommunications


  • Audio
  • Connectors
  • Fiber Optics
  • Firearms
  • Fluid Control
  • Robotics
  • Sensors
  • Solar
  • Test & Measurement
  • Watches

Continual Improvement in Production and Quality

materials_0886CSI’s machines are run by highly qualified, trained operators who work closely with design and quality engineers—all of whom provide gatekeeping oversight for continual improvement and research and development initiatives. Micronite quality software monitors all processes and inspection data is available. CSI is ISO 9001:2008 Certified and ISO 13485:2003 Compliant.

We provide:

  • Simplification of sourcing and inventory
  • Cost containment
  • Production efficiency with exceptionally high-speed technology
  • Agile response at all production phases and specification requirements
  • Repeatability
  • Traceability and batch control
  • Continuous improvement production and quality programs: Zero defects goal
  • Customer service from inception to delivery

How we deliver customer satisfaction:

  • Well stocked with raw materials
  • Consignment stock programs for high volume
  • Customized packaging
  • Web access management, inventory, and VMI programs
    • Kanban
    • SAP portals
    • Buyer/Planner Program
    • Ship to Stock Program
    • Kitting Program


To meet your Swiss screw machine, micromachining, and precision machining requirements, we have an extensive list of metals and plastic and are a leader in production parts made of very hard materials, adept at providing solutions to every wear requirement.

Metals and Plastics

  • Aluminum
  • Alumel
  • Arcap
  • Beryllium
  • BeCu
  • Brass
  • Bronze
  • Carbon Steel
  • Chromel
  • Cobalt
  • Constantan
  • Copper
  • Ferro-Nickel
  • Invar
  • Kovar
  • Phosphorous Bronze
  • Plastic
  • PTFE
  • Stainless Steel
  • Sterling Silver
  • Titanium

Hard Materials

  • Alumina
  • Boron Carbide
  • Glass/Ceramics
  • Ruby/Sapphire
  • Silicon Carbide
  • Silicon Nitride
  • Tungsten Carbide
  • Zerodur
  • Zirconia

Precision machining specialist, CSI Group, is a manufacturer and distributor of high-quality, custom-designed components and assemblies for your very specific requirements. From high-performance connectors and precision-turned components to fiber optics and watches or for firearm components, CSI Group puts its 26 years of precision components experience at your fingertips.

With our years of experience and valued partners, all leaders in the high-quality precision component manufacturing segment, we can easily deliver the customized parts and precision components best suited for you. Our experienced engineering team is ready to work with you to find the best one-source solution for your needs. Contact Us to get the conversation started.