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3- & 4-Axis CNC Milling
Efficient machining for brackets, plates, covers, fixtures, heat-management components and multi-face features.
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Automotive CNC Machining for Custom Parts
Karry Precision specializes in car and automotive CNC machines to manufacture custom vehicle parts such as motor housings, structures brackets, shaft and EV parts. We are capable of 3, 4 and 5 axis machining as well as prototypes, pilot builds and repeat low volume production as per your drawings, and to meet your material choices and dimensional checking.
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Automotive
Automotive Manufacturing Advantages
Automotive CNC Machining Advantages
Automotive components often require a balance of dimensional accuracy, material performance, weight, manufacturing cost, and assembly fit. Karry Precision reviews each part's geometry, critical features, and production requirements to develop practical machining and inspection plans for prototypes and low-volume orders.
01 Fast Engineering Feedback
Identify difficult features, unnecessary tolerance pressure and finish conflicts before they become production delays.
02 Complex Parts in Fewer Setups
Multi-axis machining reduces repositioning on housings, brackets and contoured components, supporting feature alignment and repeatability.
03 Prototype-to-Low-Volume Continuity
Keep process knowledge with one supplier as a design moves from fit-check parts to trial builds and repeat orders.
Automotive Machining Capabilities
Automotive CNC Machining Services & Capabilities
Our automotive machining capabilities cover CNC milling, 5-axis machining, and precision turning for custom vehicle components. We select machining strategies based on part geometry, material, critical tolerances, and production volume, with supporting fabrication, finishing, and inspection services available according to project requirements.
5-Axis CNC Machining
Complex contours and multi-face features completed with fewer setups for better positional consistency.
CNC Turning & Turn-Mill
Shafts, bushings, sleeves, sensor bodies and threaded connectors with turning, drilling and milling in one route.
Inspection & Process Control
Incoming material checks, in-process verification and pre-shipment inspection based on drawing requirements.
Drilling, Tapping & Wire EDM
Supporting processes for precision holes, threads, slots, hard-to-machine profiles and tool-related components.
Sheet Metal Fabrication
Complementary fabrication for covers, enclosures, mounting plates and formed components within one supply path.
DFM Review
Practical feedback on tool access, corner radii, wall thickness, tolerance stack-up and finishing allowance.
Prototype to Low Volume
Flexible support for concept validation, functional testing, pilot builds and repeat low-volume orders.
Assembly & Fit Verification
Component assembly support for checking mating interfaces, hardware fit and functional alignment before the next build stage.
Surface Finishing Coordination
One project team coordinates compatible finishes, masking requirements, cosmetic criteria and post-finish dimensional checks.
Parts We Can Manufacture
Custom CNC Machined Automotive Parts
Karry Precision manufactures custom CNC machined automotive parts according to customer drawings and application requirements. Our capabilities cover motor and transmission housings, structural brackets, precision shafts, cooling components, electronic enclosures, and automotive tooling for prototypes, validation projects, and low-volume manufacturing.
EV & Electrification
Battery, Motor & Power Electronics
- Motor housings and end covers
- Inverter and controller housings
- Cooling plates and thermal components
- Battery module brackets
- Sensor and connector housings
- Insulating plastic components
Chassis & Steering
Structural & Motion Components
- Suspension and steering brackets
- Wheel hub prototypes
- Mounting plates and spacers
- Test and validation fixtures
Powertrain & Drivetrain
Housings, Shafts & Fluid Parts
- Transmission and pump housings
- Shafts, sleeves and bushings
- Valve and fluid-system bodies
- Gears and coupling prototypes
Vehicle Electronics
Precision Electronic Hardware
- ADAS camera and sensor mounts
- ECU and display housings
- Connector and terminal hardware
- Heat sinks and shielding parts
Interior & Test Equipment
Functional & Validation Parts
- Control knobs and shafts
- Seat and console mechanisms
- Assembly jigs and inspection fixtures
- Custom non-standard components
Thermal Management
Cooling & Heat-Control Parts
- Liquid cooling plates
- Heat sinks and thermal housings
- Coolant manifolds
- Tube and hose connectors
Connection Hardware
Fasteners, Fittings & Inserts
- Shoulder screws and precision bolts
- Threaded inserts and standoffs
- Bushings, sleeves and spacers
- Custom fluid and cable fittings
Automotive Tooling
Jigs, Fixtures & Tooling Parts
- Assembly and welding fixtures
- Checking and inspection fixtures
- Prototype mold inserts
- Custom locator and clamping parts
Have an Automotive Part Ready for Review?
Send the 3D model, 2D drawing, quantity, material and finish requirements for a manufacturing assessment.
Automotive Materials
Select Materials Around Load, Weight, Heat and Environment
Automotive material selection is driven by more than machinability. We help compare structural performance, corrosion exposure, thermal behavior, finish compatibility and prototype intent.
Aluminum
Lightweight and machinable for housings, brackets, covers, heat sinks and test components.
Common options: 5052, 6061, 7075
Stainless Steel
Corrosion resistance and dependable strength for fluid, connector and exposed components.
Common options: SUS303, SUS304, SUS316
Carbon & Alloy Steel
Strength, wear resistance and cost efficiency for shafts, fixtures and load-bearing hardware.
Common options: S45C, S50C
Copper & Brass
Electrical or thermal conductivity for terminals, contacts, fittings and thermal components.
Common option: C3604 brass
Engineering Plastics
Low weight, electrical insulation, low friction or chemical resistance for functional parts and fixtures.
Common options: POM, PA6, PA6+GF30%, PEEK
Automotive Surface Finishing
Finishes Chosen for Protection, Fit and Appearance
The finish must support the part’s real operating environment. Material grade, masking areas, dimensional allowance, color target and cosmetic acceptance criteria are reviewed before processing.
Manufacturing Case Gallery
Representative Precision Components
A selection of precision CNC machined automotive components, showcasing our capabilities in multi-axis machining, aluminum parts, structural components, and custom vehicle applications.
Why Choose Karry Precision
A Practical Manufacturing Partner, Not Just Machine Capacity
Automotive parts succeed when the process, inspection and communication plan are aligned before machining starts.
01 Drawing-First Engineering Review
Critical dimensions, datum strategy, tool access, surface requirements and inspection notes are reviewed before the quotation is finalized.
02 ISO 9001-Certified Processes
A controlled quality system supports incoming material checks, in-process control and 100% pre-shipment inspection.
03 Multi-Process Coordination
CNC milling, turning, five-axis machining, supporting fabrication and surface finishing can be coordinated through one project team.
04 Prototype-to-Production Continuity
Manufacturing knowledge from early parts can be carried into repeat builds, reducing relearning and avoidable process changes.
05 Clear Global Communication
Engineering questions, drawing revisions, inspection expectations and delivery plans are kept visible throughout the project.
Automotive CNC Machining FAQ
Automotive CNC Machining FAQs
Clear requirements at the start help us recommend the right process and provide a more useful quotation.
What automotive parts can Karry Precision machine?
Karry Precision manufactures custom automotive components, including motor housings, mounting brackets, shafts, bushings, sensor housings, cooling components, and assembly fixtures. Each project is reviewed according to its drawings, material specifications, tolerances, and intended application.
What CNC machining processes are available for automotive parts?
Our machining capabilities include 3-axis and 4-axis CNC milling, 5-axis machining, CNC turning, and turn-mill operations. The appropriate process is selected according to the part's geometry, critical features, material, and production requirements.
What materials can be used for automotive CNC machining?
Common options include aluminum alloys, stainless steel, carbon and alloy steel, brass, copper, and engineering plastics such as POM, nylon, and PEEK. Material availability and suitability are confirmed during project review.
What tolerances can you achieve for automotive CNC parts?
General CNC machining tolerances are typically around ±0.10 mm. Precision dimensions may be controlled to approximately ±0.05 mm, with selected high-precision features requiring additional engineering review. Actual achievable tolerances depend on material, geometry, feature size, and inspection requirements.
Can you provide inspection reports and automotive quality documentation?
Dimensional inspection reports, material certificates, and other project-specific documentation can be reviewed during quotation. Customers should identify any required traceability, first-article documentation, PPAP requirements, or special approvals before production so that availability and scope can be confirmed.
What information is required for an automotive CNC machining quote?
Please provide your 3D CAD files, 2D drawings, material specifications, order quantity, critical tolerances, surface finishing requirements, and expected delivery schedule. Information about the component's application and inspection requirements can also help with manufacturing review.
Start With Your Drawings
Turn Your Automotive Design Into a Manufacturable Part
Share the CAD model, drawing, material, quantity and finish. Our team will review the project and respond with the next practical manufacturing step.
