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Swiss and Screw Machining

Coleys' Swiss Screw Machining Services


Coleys is a precision CNC turning machine shop producing the highest quality metal and plastic parts, and components. With more than 50 years of innovation, investment, and experience, we’ve refined our processes and expanded our partnerships, leading to quick turnarounds, a high level of performance including on-time deliveries, low prices, and creative stocking programs. Learn more about our Swiss Screw Machining services.


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Swiss Screw Machining Process

Swiss screw machining was first designed for Swiss watchmaking and developed over time to accommodate aircraft, technology, and medical industries. Swiss screw machining differs from regular machining by using subtractive manufacturing that employs guide bushing to maintain a closer distance between the main spindle and the cutting tool.

This process is often used to make precise cylindrical parts and products quickly and efficiently. This unique type of machining produces the kind of perfection that keeps machines with a compact design running smoothly with limited downtime, while performing multiple operations simultaneously, much like the Swiss originally intended.

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The operation time of a Swiss machine is much lower than its lathe counterpart. A Swiss machine can perform several operations at once with a combination of tools all working together to reduce wait times.


With this type of machining, there may be no need to grind or for extra finishing. The surface finish will be perfectly consistent, with a higher quality finish, every time.


Little operator involvement is required because a Swiss screw machine can run autonomously. The machine contains multiple spindles and cutting tools, helping optimize production, and limited labor costs.    


With the integration of CNC technology, manufacturers are enabled to achieve tighter tolerances with a lower chance of production error.

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There are many different industries that are suited to making parts using Swiss and Screw Machining.

  • Marine
  • Automotive (aftermarket)
  • Transportation
  • Defense
  • Oil and Energy
  • Construction
  • Plumbing
  • Medical
  • Consumer Products
  • Industrial

View our gallery to see some examples of CNC turning projects we’ve completed.

See Past Projects

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We stock a variety of plastic and metal materials for various part applications and industries. These include, but aren’t limited to:

  • Aluminum
  • Brass
  • Bronze
  • Copper
  • Plastic
  • Steel
  • Titanium
  • Zinc

Get in touch with us to learn more information about the materials available for milling.

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About Coleys CNC Machining


For over 50 years, Coleys Inc. has provided high-demand, low-tolerance industries with superior quality machining. Our services range from simple drilling of production-ready parts to the complex fabrication of intricate designs.


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