CNC Turning Parts Manufacturers For USA and Europe

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Brass CNC Turned Parts Manufacturer | Custom Metal CNC Turning

We are leading brass CNC turned parts manufacturers and also manufacture custom metal CNC turned parts in steel, aluminum, copper, bronze, and stainless steel, supplying high-precision components to OEMs, distributors, and industrial buyers worldwide. CNC turning parts are precision components produced by rotating a metal workpiece on a CNC lathe while a cutting tool shapes it into the required form. As experienced CNC turning parts manufacturers, we produce shafts, bushings, brass spacers, adapters, and brass threaded fittings with tight tolerances and consistent quality.

We manufacture custom CNC turning parts from brass, aluminum, steel, copper, and other materials as per requirements. Each and every part according to your product drawing, and checked with high QC.

Our major customers are bulk buyers, OEMS, distributors, and manufacturers. They rely on us for high-volume production with consistent quality and a competitive price. We also accept small batch and medium volume urgent orders.

From simple to complex CNC turned parts, every piece is made with precision and tight tolerances.

We ship to the USA, Europe, and across the globe, helping buyers to receive accurate parts on time.

Send Your Drawing for a Custom CNC Turned Parts Quote

What is CNC Turning and How Does It Work?

CNC turning uses a computer-controlled machine to rotate the workpiece while cutting tools move relative to it to remove material and create the required shape. CNC turning is mainly used for parts with cylindrical features and rotational symmetry.

Common CNC turned parts include shafts, pins, bushings, sleeves, spacers, threaded parts, adapters, and other cylindrical components. CNC turning can produce internal and external threads, grooves, tapers, holes, and different turned profiles.

Recent OEM CNC Turned Parts Projects

Custom brass CNC-turned immersion sleeve

Custom Brass CNC Turning Part

Material: CuZn39Pb3
Male Thread: G1/4" Female
Female Thread: G1/2" Male
Overall Length: 140 mm
Length to Shoulder: 137.5 mm
Lower Section Length: 120 mm
Upper Section Height: 10 mm
Top Section Height: 6 mm
Lower Section Dimension: 20 mm
Wrench Size: SW22
Lower Diameter: Ø9 mm
Lower Bore / Diameter: Ø7 mm
Radius: R2.5 mm
Chamfer: 1 × 15°
Weight: 0.08 kg
Manufacturing Process: CNC Turning

Custom brass CNC-turned immersion sleeve manufactured from CuZn39Pb3 brass, with G1/4" and G1/2" thread connections, 140 mm overall length, SW22 hex, and a Ø7 mm internal passage with Ø9 mm lower diameter. The component includes the R2.5 mm radius and 1 × 15° chamfer shown on the drawing and is used as a sensor immersion sleeve.

CNC turned INOX A2 stainless steel threaded hex stud part

CNC Turned INOX A2 Stainless Steel Threaded Stud Component

Material: Inox A2 stainless steel
Thread: M8 × 1.25
Thread Type: Male thread
Threaded Length: 15 mm
Overall Length: 25 mm
Hex Dimension: 14 mm
Additional Profile Dimensions: 12 mm and 8 mm
Head Step Dimensions: 2.5 mm
Manufacturing Process: CNC turning and secondary machining

Custom CNC turning stainless steel male threaded hex stud manufactured from Inox A2 stainless steel with an M8 × 1.25 male thread, 15 mm threaded length, and 25 mm overall length. The component features a stepped hexagonal head configuration with the dimensional features specified in the customer drawing.

SS316 CNC turned male threaded hex nipple

Stainless Steel CNC Turned Hex Nipple

Material: 316 Stainless Steel
Thread: 3/4" NPT Male × Male
Overall Length: 1.80"
Hex Size: 1-1/16" across flats
Hex Dimension: 1.067" across flats
Internal Bore: Ø0.60"
Internal Machining Length: 0.600"
Epoxy Groove: Ø0.875" × 0.250" wide
External Body Dimension: 0.74"
Manufacturing Process: CNC turning and additional internal machining

Custom 316 stainless steel dual 3/4" NPT male hex nipple manufactured by CNC turning with a 1-1/16" hex across flats, 1.80" overall length, and Ø0.60" internal bore. The component includes additional internal machining, an epoxy groove, and a Ø0.750" press-fit nose piece for TIG welding.

copper CNC turned part sleeve with stepped profile

Copper CNC Turned Part Sleeve

Material: Copper
Manufacturing Process: CNC turning, drilling, grooving, chamfering, deburring
Overall Length: 0.490 in
Largest Outside Diameter: Ø0.3555 in
Main Body Diameter: Ø0.335 in
Stem Diameter: Ø0.252 in
Reduced Section Diameter: Ø0.270 in
Internal Bore: Ø0.162 in
Counterbore Depth: 0.232 in
Body Length: 0.405 in
Chamfer: 0.012 × 45°

OEM CNC-turned copper sleeve with stepped profile and internal bore.Used as a custom sleeve or spacer component in mechanical and industrial assemblies.

Custom CNC brass turning part

OEM CNC Turned Brass Threaded Flange Component

Material: Brass IS 319
Weight: 73.5 gm
Thread: 1-1/4" BSP
Thread ID: Ø41.3 mm
Overall Height: 32.5 +0.1 / 0 mm
Flange OD: Ø44.3 +0.1 / 0 mm
Body OD: Ø36.8 +0.1 / 0 mm
Bore / Internal Diameter: Ø33.5 +0 / -0.1 mm
Flange Thickness: 1.8 mm
Threaded Section Length: 21.2 mm
Chamfers: 1 × 45° (2 locations)
End Section Length: 9.5 +0.1 / 0 mm
Manufacturing Process: CNC Turning
Deburring: Burrs and sharp edges removed

Custom CNC-turned brass flanged threaded sleeve manufactured with a 1-1/4" BSP thread, Ø44.3 mm flange diameter, Ø36.8 mm body diameter, and 32.5 mm overall height. The component is used in a metro pole flush valve and includes specified internal dimensions, threaded geometry, 45° chamfers, and controlled dimensional tolerances.

Brass M3 threaded insert with diamond knurling for press-in and heat-set use

CNC Turned Brass Threaded Stud with Flange

Material: Brass
Surface Finish: Nickel Plate
Thread: 5/8-24 UNEF
Overall Height: 14.29 mm
Flange Profile: R14.00 mm
Flange Width: 24.00 mm
Central Bore: Ø10.67 mm
Hole Specification: Ø2.50 THRU ALL; M3 × 0.5 - 6H THRU ALL
Manufacturing Process: CNC turning, drilling, and tapping

Custom CNC-turned brass flanged stud manufactured by CNC turning with a 5/8-24 UNEF external thread, Ø10.67 mm central bore, M3 × 0.5 mounting hole, and R14.00 mm flange profile. The part is nickel plated and includes the mounting-hole features specified in the customer drawing.

Materials We Machine

We use a range of metals to produce turning parts. Here are a few we commonly work with,

Brass

Brass is valued for excellent machinability, durability, and corrosion resistance, making it ideal for brass CNC turned parts used in fittings, connectors, and valves. As trusted brass parts manufacturers, we also produce brass threaded inserts, brass dome nuts, brass wing nuts, and precision components like brass flanges for industrial applications. Brass is easy to machine, which makes it ideal for both prototype runs and large-scale production.

Aluminum

Aluminum is lightweight, cost-effective, and easy to machine, making it suitable for various aluminum CNC parts used in automotive and industrial applications. We manufacture aluminum spacers and precision-turned aluminum components where weight reduction and corrosion resistance are important.

Steel

Steel has many alloys, such as stainless steel, carbon steel, and mild steel. Steel is a strong and wear-resistant metal. Common parts are shafts, bushings, gears, and heavy-duty mechanical assemblies. Stainless steel provides corrosion resistance, and carbon steels provide strength and durability. Steel is best for durability and under critical conditions.

Copper

Copper offers excellent electrical and thermal conductivity, making it ideal for connectors, grounding components, and precision copper spacers used in electrical assemblies. We manufacture high-quality copper spacer components for industrial and electronic applications requiring reliable conductivity

Industries & Applications

Automotive

Automotive manufacturers use shafts, spacers, bushings, and precision fittings in engines, braking systems, and transmissions. We produce components such as brake line adapters, brake tee fittings, and brake line union parts that require leak-proof threading and tight tolerances for safety-critical automotive systems.

Electronics

Electronics applications require small and high-precision components such as adapters, connectors, and housings. We manufacture brass inserts for plastic and knurled inserts, widely used in molded electronic assemblie

Machinery & Equipment

Steel CNC turned parts are widely used in machinery and heavy equipment. Products like fittings, sleeves, bushing, and hydraulic components must handle pressure, wear, and repeated motion without failure.

Industrial Manufacturing

General manufacturing industries depend on CNC turning services for tooling, custom spacers, and assembly parts. From 1,000 pieces to high-volume bulk runs, CNC turning ensures accuracy, repeatability, and cost efficiency.

Global Supply

Our CNC turning service supports buyers and OEMs across the USA, UK, Europe, and Asia. We handle both mid-size orders and high-volume production.

Production Capacity and Capabilities

Our CNC Parts factory is set up for both small runs and high-volume production. We handle small batches of 500 pieces, as well as bulk quantities production with competitive price, consistency, and tight tolerance. Our machines are tooled for multiple metals, from brass and aluminum to stainless steel and copper, giving buyers flexibility under one roof.

Specification

Capability Details
Minimum Order QuantityDepends on product drawing and requirements.
Maximum Production CapacityUp to 100,000 pieces per month, depends on drawing and part complexity
Supported MetalsBrass, Aluminum, Stainless Steel, Carbon Steel, Mild Steel,Copper, Bronze
Tolerance RangeGeneral machining tolerance: ±0.1 mm
Tighter tolerances reviewed case by case
Turning Capacity Diameter range: 5 mm to 180 mm
Length depends on part geometry
Lead Time2 - 4 weeks (depending on order size and complexity)
Finish OptionsPolishing, Plating, Anodizing, Coating

Types of CNC Turning Parts

Spacers

Spacers create precise gaps between two components in assemblies and are widely used in machinery and electronics. We manufacture brass spacers, copper spacers, and aluminum spacers in standard and custom sizes to meet industrial requirements.

Bushings

Protect moving parts from friction and wear. Brass, bronze, and steel bushings are widely used in industrial heavy machinery and automotive applications.

Shafts

Shaft use in engines, pumps, and transmission systems. But needs high accuracy and good finish for reliability.

Adapters / Couplings

Machined to connect two different parts. CNC turned adapters are common in fluid handling, hydraulics, and pipe fittings. We specialize in precision brake line adapters and brake line union components that require leak-proof threads. Common examples include hydraulic adapters and brake tee fitting components for automotive lines

Fittings and Connectors

Fittings and connectors join pipes and tubes. They are commonly made from brass and SS.

Fasteners (Bolts, Studs, Threaded Rods)

Precision-turned fasteners like bolts, studs, nuts, and rods. Bulk orders are common in construction and machinery supply chains.

Collars

Shaft collars act as mechanical stops, locators, and spacers. Used across industrial equipment and automation.

End Caps / Plugs

End caps and plugs are used to cover the pipe ends. Available in different metals depending on the application.

Connector Bodies

Used in electronics, telecom, and automotive. Tight tolerance required for secure connection.

Hydraulic Components (Nipples, Couplers, Precision Turned Inserts)

These parts connect and control fluid lines. Used in construction, industrial, and heavy machines.

Brass vs Aluminum vs Steel vs Copper CNC Turning Parts

Metal Cost Strength / Durability Machinability Weight Common Uses
BrassMediumModerateExcellentMediumBushings, fittings, electrical contacts
AluminumLow to MediumModerateExcellentVery LightAutomotive, aerospace, housings, spacers
Stainless / Alloy SteelMedium to HighVery HighModerateHeavyShafts, fasteners, heavy machinery
CopperMedium to HighModerateGoodHeavyElectrical parts, spacers, grounding components

FAQs – CNC Turning Parts

1. How Much Does It Cost to Get CNC Turned Parts Made?

The cost of CNC turned parts depends on the material, part complexity, machining time, tooling, quantity, tolerances, secondary operations, inspection requirements, and finishing. Production quantity can also affect the unit price because setup and other fixed costs are spread across more parts. The most accurate price is based on reviewing the customer drawing, required material, quantity, and specifications.

2. Can CNC Turned Parts Include Cross Holes, Slots, Flats, and Other Secondary Features?

Yes. CNC turned parts can include cross holes, slots, flats, grooves, and other features when the CNC turning machine has suitable live tooling or when additional machining operations are used. The actual capability depends on the part geometry, feature location, material, and machine configuration.

3. Can You Provide Secondary Operations After CNC Turning?

Yes. Secondary operations can be provided when required by the part design, such as drilling, milling, tapping, deburring, surface finishing, plating, and other post-machining processes. The available process depends on the part requirements and the required specification.

4. Can You Manufacture CNC Turned Parts in Different Materials for the Same Component Design?

Yes. The same component design can be manufactured in different metals when the material is suitable for the part's application and the drawing requirements. Common CNC turning materials include brass, aluminum, copper, steel, stainless steel, and other engineering metals. Material selection can affect machining conditions, cost, tolerances, and the final part properties.

5. What Can Cause a CNC Turned Parts Quotation to Change After Drawing Review?

A quotation can change after drawing review if the engineering requirements require different material, tighter tolerances, additional setups, more machining time, special tooling, secondary operations, surface finishing, inspection, and other quality requirements. Quantity and required delivery time can also affect the final quotation.

6. Can CNC Turned Parts Be Ordered in Scheduled or Partial Shipments?

Yes, scheduled or partial shipments can be arranged for some CNC production orders when agreed in advance. This can be useful when the customer needs part of the order earlier while the remaining quantity is still in production. Shipment timing, quantities, and delivery schedules should be confirmed during quotation and order planning.

Request a CNC Turned Parts Quote

CNC turning parts remain one of the most reliable solutions for bulk buyers, OEMs, and manufacturers. We support both prototype and bulk quantity orders at a competitive price.

Whether it's brass fittings, aluminum spacers, steel shafts, and copper connectors, we will supply them with strict quality control and on time.

To request a CNC Turning Parts quotation, send your drawing and RFQ details.

Please include:

  • Material specification
  • Quantity requirement (one-time, repeat, or blanket order)
  • Critical dimensions and tolerance requirements
  • Required delivery timeline
  • Shipping terms (EXW, DAP, or DDP)

Send your RFQ and drawings to receive a quotation with pricing and indicative lead time.


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