Swiss CNC Machining Services
Precision Swiss CNC machining for small-diameter, complex parts with tight tolerances and consistent repeatability from prototypes to production.
Upload CAD Files for a QuoteSmall-Diameter Precision Parts
Complex Features in Fewer Setups
Tight Tolerances & Repeatable Quality
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SWISS CNC MACHINING CAPABILITIES
Precision Swiss CNC Machining for Complex Small Parts
Our Swiss CNC machining capabilities support small-diameter parts, complex features, and repeat production with tight tolerances and consistent part quality.
Small-Diameter Parts
Precision machining for pins, shafts, sleeves, bushings, spacers, and other small-diameter components.
Complex Multi-Feature Parts
Turning, drilling, threading, grooving, and cross-hole features can be combined in fewer setups for complex small parts.
High-Repeatability Production
Bar-fed machining and controlled processes support consistent dimensions and repeatability from prototypes to production runs.
SWISS CNC MACHINING MATERIALS
Materials for Swiss CNC Machining
We machine a wide range of bar-stock metals and engineering plastics for precision Swiss-turned components.
Aluminum
Aluminum offers excellent machinability, low weight, and good corrosion resistance for precision pins, shafts, spacers, fittings, and other Swiss-machined components.
Common Grades
2011
2024
6061
6061-T6
6082
7075
Stainless Steel
Stainless steel combines corrosion resistance, strength, and durability for precision Swiss-machined shafts, fittings, threaded parts, bushings, and other small components.
Common Grades
303
304
316
316L
17-4PH
420
Steel
Steel provides high strength, wear resistance, and good machinability for Swiss-machined shafts, pins, bushings, fasteners, sleeves, and other load-bearing components.
Common Grades
1018
1045
4140
4340
12L14
1144
Brass
Brass offers excellent machinability, corrosion resistance, and dimensional stability, making it well suited for precision connectors, fittings, bushings, threaded parts, and valve components.
Common Grades
C360
C353
C377
C385
C464
Titanium
Titanium combines a high strength-to-weight ratio with excellent corrosion resistance for Swiss-machined fasteners, shafts, fittings, medical components, and other high-performance parts.
Common Grades
Grade 2
Grade 5
Grade 9
Grade 23
Engineering Plastics
Engineering plastics offer low weight, chemical resistance, electrical insulation, and good machinability for precision bushings, spacers, insulators, guides, and other Swiss-machined components.
Common Materials
POM / Delrin
PEEK
PTFE
Nylon
PC
UHMW-PE
SWISS CNC MACHINING SPECIFICATIONS
Swiss CNC Machining Tolerances & Specifications
Our Swiss CNC machining capabilities support small-diameter precision parts, complex features, tight tolerances, and repeatable production.
Maximum Bar Diameter
Up to Ø32 mm
Depending on machine configuration
Minimum Practical Diameter
Down to Ø1 mm
Depending on geometry
Maximum Part Length
Up to 200 mm
Depending on part geometry
Standard Tolerance
±0.01 mm Typical
Depending on material and geometry
Tight Tolerance
Down to ±0.005 mm
After Engineering Review
Surface Roughness
Ra 0.4–3.2 μm
Down to Ra 0.4 μm
Minimum Hole Diameter
Down to Ø0.8 mm
Depending on part design
Minimum Groove Width
Down to 0.3 mm
Typical capability
Minimum Wall Thickness
0.2–0.5 mm
Depending on material and geometry
Standard Tolerance
±0.01 mm Typical
Depending on feature geometry
Tight Tolerance
Down to ±0.005 mm
After Engineering Review
Surface Roughness
Ra 0.4–3.2 μm
Down to Ra 0.4 μm
Thread Size Range
M1.0–M12
Metric Threads
Thread Pitch Range
0.25–1.75 mm
Typical Range
Cross Hole Diameter
Down to Ø0.8 mm
Depending on geometry
Groove Width
Down to 0.3 mm
Depending on geometry
Thread Tolerance Class
6g / 6H Typical
ISO Metric Threads
Surface Roughness
Ra 0.4–3.2 μm
Down to Ra 0.4 μm
General tolerances may vary depending on material, geometry, and feature type. Parts are manufactured and inspected to customer-specified drawings, GD&T requirements, and applicable standards.
SURFACE FINISHING FOR SWISS CNC MACHINING
Surface Finishing Options for Swiss-Machined Parts
Surface finishes for precision Swiss-machined components, selected based on corrosion resistance, wear performance, appearance, and functional requirements.
As-Machined
Precision finish with visible tool marks
Passivation
Enhanced corrosion resistance for stainless steel
Electropolishing
Smooth, bright finish for stainless steel
Anodizing
Protective finish for aluminum parts
Electroless Nickel Plating
Uniform wear & corrosion protection
Zinc Plating
Cost-effective corrosion protection
Black Oxide
Low-build black conversion finish
Chemical Conversion Coating
Lightweight protection for aluminum
PVD / DLC Coating
High-wear, low-friction protection
As-Machined
Standard Swiss-machined finish with fine tool marks and no additional surface treatment.
Typical Finish
Ra 1.6–3.2 μm
Typical Materials
Aluminum, Stainless Steel, Steel, Brass, Titanium
Best For
Precision shafts, pins, bushings, spacers, threaded parts
Passivation
Chemical treatment that removes surface contaminants and improves the natural corrosion resistance of stainless steel parts.
Typical Finish
Clean / Natural
Typical Materials
Stainless Steel
Best For
Medical parts, fittings, fasteners, fluid-system components
Electropolishing
Electrochemical finishing process that smooths microscopic surface peaks, improves cleanliness, and produces a bright, corrosion-resistant surface.
Typical Finish
Smooth / Bright
Typical Materials
Stainless Steel
Best For
Medical parts, fluid components, precision fittings, clean assemblies
Anodizing
Electrochemical oxide coating for aluminum that improves corrosion resistance, wear resistance, and surface appearance.
Typical Finish
Type II / Type III
Typical Materials
Aluminum
Best For
Housings, fittings, spacers, instrument components, electronic parts
Electroless Nickel Plating
Uniform nickel-phosphorus coating that provides corrosion resistance, wear protection, and consistent coverage on complex precision features.
Typical Finish
Uniform Metallic
Typical Materials
Steel, Stainless Steel, Aluminum, Brass
Best For
Precision fittings, shafts, bushings, valves, complex small parts
Zinc Plating
Thin zinc coating for steel components that improves corrosion resistance with minimal dimensional impact.
Typical Finish
Clear / Blue / Yellow
Typical Materials
Carbon Steel, Alloy Steel
Best For
Fasteners, pins, shafts, hardware, small mechanical components
Black Oxide
Chemical conversion treatment that produces a dark black finish with minimal dimensional change and mild corrosion resistance.
Typical Finish
Matte Black
Typical Materials
Carbon Steel, Alloy Steel
Best For
Shafts, pins, fasteners, tooling and mechanical components
Chemical Conversion Coating
Thin chemical conversion coating for aluminum that improves corrosion resistance while maintaining electrical conductivity and minimal dimensional change.
Typical Finish
Clear / Yellow
Typical Materials
Aluminum
Best For
Electronic parts, housings, connectors, instrument components
PVD / DLC Coating
Thin, high-performance coating used to improve wear resistance, reduce friction, and extend service life on precision components.
Typical Finish
Hard / Low-Friction
Typical Materials
Stainless Steel, Steel, Titanium
Best For
Precision shafts, pins, sliding components, high-wear parts
Additional coatings and custom finishing requirements are available upon request. Please specify any critical dimensions, masking areas, coating thickness, or surface requirements on your drawing or RFQ.
SWISS CNC MACHINED PARTS
Precision Swiss-Machined Components
Explore precision Swiss-machined components with small diameters, complex features, and tight dimensional requirements.
Precision Pins
Small-diameter precision pins with tight tolerances, fine features, and consistent dimensional repeatability.
Miniature Shafts
Precision miniature shafts with stepped diameters, grooves, threads, and fine features.
Bushings & Sleeves
Precision bushings and sleeves with accurate bores, controlled wall thickness, and concentric features.
Threaded Components
Swiss-machined threaded components with precise threads, shoulders, grooves, and small-diameter features.
Connectors & Fittings
Precision connectors and fittings with controlled bores, threads, sealing features, and critical dimensions.
Instrument Components
Miniature precision components for instruments, sensors, fluid-control systems, and compact assemblies.
Precision Spacers
Small spacers and standoffs with controlled length, diameter, bore, and repeatable dimensions.
Small Complex Parts
Multi-feature parts combining turning, drilling, threading, grooving, and cross features in fewer setups.
Need Precision Swiss-Machined Parts?
Send us your CAD files and project requirements for engineering review and quotation.
FAQ
Frequently Asked Questions
Common questions about our Swiss CNC machining capabilities, tolerances, materials, and production support.
What is Swiss machining best suited for?
Swiss CNC machining is ideal for small-diameter, high-precision parts with complex features such as threads, grooves, cross holes, fine bores, and stepped diameters.
What is the maximum bar diameter for Swiss machining?
Our Swiss CNC machining capabilities support small-diameter parts, complex features, and repeat production runs with tight tolerances and consistent part quality.
How tight can Swiss machining tolerances be?
Typical Swiss machining tolerances are around ±0.01 mm. Critical dimensions down to ±0.005 mm may be achievable after engineering review, depending on material, geometry, and feature requirements.
What materials can you machine with Swiss CNC machining?
We machine aluminum, stainless steel, carbon and alloy steels, brass, titanium, and selected engineering plastics such as POM, PEEK, PTFE, nylon, PC, and UHMW-PE.
Can Swiss CNC machining produce threads and cross holes?
Yes. Swiss CNC machining can combine turning, threading, grooving, drilling, cross holes, and other precision features while reducing secondary setups.
Do you support prototypes and production runs?
Yes. We support prototypes, small batches, and repeat production of Swiss-machined parts with process controls focused on dimensional consistency and repeatability.