CNC Screw Machining Services | The Federal Group USA
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Screw Machining

Screw machining is the process of rapidly spinning lathes that shave metal down to the desired size. There are 2 major types of screw machines: Turret and Swiss. Both automatic and CNC Swiss screw machines are relatively cost-efficient for longer production runs because once they have been correctly programmed and oriented.

At the same time, both processes are able to perform more precise work as a byproduct of their tight configuration and tooling. Overall, however, Swiss screw machines are superior to Turret style machines in their ability to output more precise work due to their ability to add additional types of tooling fixtures.

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Turret Style Machines

The Turret type mounts the workpiece on a vertical ram that slides into the lathe whereas the Swiss-type mounts the workpiece on a rotary slide. Although these screw machines offer a different means of operation, their production outputs are essentially the same.

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Swiss Screw Machines

There are 2 major styles of Swiss screw machines: CNC-based screw machines and automatic screw machines.  The automatic style screw machine functions by using a collet, which holds the workpiece in place while a disc cam moves the tools in a radial motion.  The very closely positioned spindle collects help prevent against deflected debris in the machining process.

CNC Swiss screw machines are very similar to the automatic Swiss screw machine however their operation is controlled by a CNC machine.  As such, these turning machines can feature advanced tooling and allow for far more efficiency and functionality throughout the screw machining process.

The Federal Group’s Screw Machining Capabilities

At TFG USA, we can screw machine parts from any type of metal, plastic, or engineering grade material. The feeding process for our CNC lathe machines will allow for continuous operation and efficiency. Also, a twin spindle design allows us a variety of secondary operations to create many part features within the same cycle.

Equipment Types

At TFG USA, our screw machining capabilities include the following types of equipment:

  • Precision Swiss CNS Lathes
  • Multiple-spindle Cam Automatics
  • CNC Multi-axis machining centers

Custom Screw Machines Materials


  • Brass
  • Copper
  • Carbon Steel
  • Alloys

Exotic Metals

The Federal Group can produce screw machined parts in a variety of exotic metal grades.

  • Aluminum
  • Titanium
  • Hastelloy
  • Stainless Steel, Martensitic Precipitation Hardened
  • SAE 630
  • Inconel
  • Monel
  • 17-4 PH
  • Inconel 718
  • UNS S17400
  • AMS 5643
  • ASTM A564
  • ASTM A693
  • Duplex
  • Waspalloy
  • Tantalum
  • Molybdenum
  • A-286
  • Zeron
  • Hydrargyrum
  • Multiphase Steels


  • Acetal
  • Nylon
  • PTFE
  • UHMW

TFG USA Customer Commitment

TFG USA is committed to servicing our customer’s ability to supply custom screw machine parts. Through our expertise and experience, we will ensure the greatest efficiencies and quality we can for our clients.

Where we can, we will increase the efficiency and reduce the costs associated with the screw machining process in order to ideally suit the production goals of our clients.

We are your home for manufacturing screw-machined parts in quantities of your custom choosing. With the help of our engineering team, we will advise you on the best method of manufacturing for each application and specific part geometry. For more details regarding our precision CNC turning services please contact us directly.

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