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Screw Machine Services

Screw machining is a type of CNC machining that can be used to create small, intricate parts as well as longer, thinner components that wouldn’t fit securely on a conventional lathe. Also known as a Swiss-style lathe, CNC screw machines are known for producing items with extremely high dimensional tolerances.

The distinguishing feature of a Swiss-style screw machine is a disc cam that feeds the workpiece through a guide bushing to position it as close to the tool as possible. By moving the part rather than the tool, vibration and deflection are minimized, and closer tolerances can be achieved.

The other main benefit of CNC screw machining is by minimizing the distance the tool must travel, production times decrease and productivity increases. With a screw machine, it is possible to turn around large projects very quickly, while maintaining exceptionally high standards of quality control.

Screw machining can be performed on a variety of materials. Metals such as aluminum, brass and stainless steel are all common, as are ABS, acrylic and other plastics.


As the name suggests, Swiss screw machines were first developed in Switzerland and used to produce the small, complex parts that go into the country’s famous watches. As the technology has evolved with the introduction of computer controls, a wider range of applications has emerged. Today, the demand for increasingly smaller technology has made screw machining the process of choice for automotive parts, medical devices, electronics and other manufacturing. Pins, pivot rods, spacers and electronic connectors and terminals, among other small parts, are all strong candidates for screw machining.

CNC screw machining is fast, reliable and can achieve tolerances of +/-.005”. Use it in any application in which quality control is a priority. The main drawback to screw machining is that the guide bushing has to be precisely positioned to achieve optimal performance. This requires additional set-up time and the expertise of skilled staff who know how to work the machinery properly — all factors that drive up manufacturing costs.

Working With American Micro Industries

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We provide high-precision CNC screw machining for clients in any industry. We’ll work with you to develop a turnkey solution that gets your product or part to market faster. We are happy to offer short-run machining services with no minimum order amount.

Swiss machines represent precision. If precision is important to you in your fabricated products and related applications, you want to use American Micro Industries for your CNC screw machining. At American Micro Industries, we always make an effort to have the most state-of-the-art machines in our facility, whether it is a CNC screw device, CNC milling, CNC turning or any other workpiece cutting or shaping tool.

Not only can we provide the precision you expect in your swiss screw machining, but we can also bring it to you fast. We have developed an organizational system with our screw machining and other machining processes that allow us to turn around orders extremely fast without sacrificing any quality. We have a feeling we may be exactly what you're looking for when it comes to screw machine services.

You might think this level of speed and precision comes with an elevated price tag, but our streamlined system allows us to save on costs, which we can then pass on to you. We're just that dedicated to delivering a machining solution that meets both your needs and budget.

We are always working to find better ways to serve our customers, and we will always strive for 100 percent customer satisfaction. We will take you through the entire fabrication process from start to finish — from design to completion — to make sure you and your company are getting exactly what you need.

For more information about our capabilities or to request a quote for any upcoming project, contact American Micro Industries to speak with a representative directly.