Guide to purchasing CNC milled parts and the top 10 suppliers in Germany

published on
16.10.2024


CNC (Computerized Numerical Control) milling technology has become indispensable in modern manufacturing. This precise machining technology enables the production of complex parts from a variety of materials such as metal, plastic or wood. CNC milled parts are used in many industries, including automotive, aerospace, mechanical engineering and medical technology. As they are often critical components, it is crucial to find high-quality suppliers that are reliable and cost-efficient. In this blog, you'll learn what to look for when sourcing CNC milled parts and get a list of the top 10 CNC milled parts suppliers.

What are CNC milled parts?

CNC milled parts are precisely manufactured workpieces that are created by CNC milling. This machining method uses computer-controlled machines to remove material from a workpiece and shape it into the desired form. The process is extremely precise and enables tolerances in the micrometer range, making it ideal for applications with high demands on dimensional accuracy and surface quality.

Important criteria when selecting CNC milled parts suppliers

To source the best CNC milled parts for your production, you should pay attention to the following criteria:

  1. Quality and precision: The supplier must be able to deliver parts with the required tolerances and a high surface quality. Certificates such as ISO 9001 or IATF 16949 (automotive industry) can be an indication of the company's quality standards.
  2. Experience and specialization: Providers with years of experience in your specific industry (e.g. medical technology or automotive) know the industry-specific requirements better and can offer specialized solutions.
  3. Variety of materials: Check whether the supplier can process the material you need - be it aluminum, stainless steel, titanium or technical plastics.
  4. Production capacity and delivery times: A good supplier should have sufficient capacity to manufacture both small and large series in a timely manner. Flexible delivery times and short lead times are an advantage here.
  5. Technological equipment: Modern CNC machines with multi-axis systems (e.g. 5-axis milling machines) enable more complex and efficient processing.
  6. Cost structure: The costs should be transparent and competitive. Pay attention not only to the unit price, but also to additional costs for set-up, prototypes and tools.
  7. Location and logistics: Suppliers close to your production site can shorten transportation times and reduce costs. With international suppliers, you should take into account possible customs duties and longer delivery times.

The 10 best suppliers in Germany in this area

1. benz Alutec GmbH

Location: 
Pleidelsheim, State of Baden-Württemberg

BENZ Alutec is a specialized manufacturing service provider for CNC milled parts made of aluminium, steel and plastics. The company has modern 3-axis and 5-axis milling machines and offers single part production as well as small and medium series production. BENZ Alutec guarantees short delivery times and high quality through regular employee training and continuous modernization of the machines




CNC-STEP GmbH & Co. KG

Location: 
Geldern, North Rhine-Westphalia

CNC-STEP is a manufacturer of CNC milling machines for various applications such as milling, engraving, drilling and cutting. The company offers easy-to-use machines and emphasizes advice and customer service




CNC Haase

Location: 
Neuss, North Rhine-Westphalia

As one of the leading German manufacturers of modern CNC milling machines, CNC Haase offers a wide range of products from small CNC milling machines for model makers and watchmakers to CNC portal milling machines for industry. The company attaches great importance to quality and manufactures all its machines in Germany




KUNZMANN Maschinenbau GmbH

Location: 
Remchingen, Baden-Württemberg

KUNZMANN is a traditional manufacturer of milling machines and machining centers in the premium segment. The company develops and produces machine tools with up to five axes for manual, hybrid and CNC-controlled milling. KUNZMANN is the European market leader in the segment of manually operated milling machines




Röders GmbH

Location: 
Soltau, Lower Saxony

Röders is a specialist in high-precision CNC milling machines and machining centers. The company develops and produces machines for various industries, including tool and mold making, medical technology and aviation. Röders attaches particular importance to precision and surface quality.




Datron AG

Location: 
Mühltal, Hesse

Datron is an innovative manufacturer of CNC milling machines, dental milling machines and dosing machines. The company focuses on high-speed milling and offers solutions for various materials such as aluminum, plastics and composites.




Alzmetall GmbH & Co. KG

Location: 
Altenmarkt an der Alz, Bavaria

Alzmetall is a traditional manufacturer of drilling and milling machines, including CNC-controlled machining centers. The company is known for its robust and precise machines, which are used in various branches of industry.




Knuth Werkzeugmaschinen GmbH

Location: 
Wasbek, Schleswig-Holstein

Knuth is a supplier of machine tools, including CNC milling machines and machining centers. The company offers an extensive range of machines for various applications and industries, from single part production to series production.




Spinner Werkzeugmaschinenfabrik GmbH

Location: 
Sauerlach, Bavaria

Spinner is a manufacturer of CNC lathes, milling machines and machining centers. The company develops and produces high-quality machines for various industries and places particular emphasis on precision and reliability.





Conclusion

Choosing the right supplier for CNC milled parts is crucial for the quality and efficiency of your production. Pay attention to technical equipment, experience, delivery times and location to get the best conditions for your company. Our list of the 10 best suppliers offers you an excellent starting point for your supplier selection.

Long-term relationships with the right partners help you to reduce costs and maintain production quality.