CNC Turning Custom Service

CNC Turning for Precision Industrial Components

At BestPro, we specialize in high-precision CNC turning for demanding industrial applications. Our expertise covers shafts, bushings, threaded components, and complex geometries for aerospace, automotive, medical devices, and industrial machinery.

Explore CNC Milling

5 Axis Machining

Small Batch Machining

Custom CNC-Turned Components We Deliver

Application Sector	Part Category	Examples of Parts
Precision Mechanical Parts	Shafts	Drive shafts, transmission shafts, rotating shafts
	Gears	Spur gears, helical gears, bevel gears
	Nuts & Bolts	Custom fasteners with precise threading
Aerospace Components	Engine Parts	Turbine shafts, brackets, critical engine components
	Fasteners	High-precision connectors and supports
Automotive Parts	Engine Components	Crankshafts, camshafts, pistons
	Brake Parts	Brake discs, calipers, hubs
Medical Devices	Surgical Instruments	Handles, clamps, precision tools
	Implants	Custom orthopedic and dental implants
Industrial Components	Bearings & Bushings	Components to reduce friction in machinery
	Hydraulic Parts	Valves, connectors, cylinders
Electronics Parts	Enclosures	Custom cases for electronic devices
	Motor Components	Shafts, housings, electrical connectors

Why Industry Leaders Choose BestPro

Engineering-Driven Solutions

Material & Surface Flexibility

Tight Tolerances

Full Production Support

Experienced engineers provide DFM review, tolerance optimization, and process recommendations.

Aluminum, stainless steel, carbon steel, titanium, copper alloys, and high-performance plastics. Surface finishes include hard coating, anodizing, plating, and plasma nitriding.

Standard ±0.127mm, tight options down to ±0.005mm. High repeatability ensures consistency across batches.

From prototyping to small batch and mass production, with strict QC using CMM, VMS, calipers, and hardness testing.

How We Support Your Projects

Whether it’s a complex aerospace component, a critical automotive part, or a precision medical device, we provide:

Flexible production schedules to meet project deadlines

Rapid prototyping and sample production

Material sourcing and process consultation

Tight integration with your engineering team for design feedback

Typical CNC Turning Capabilities

Max Diameter: 508 mm (20″)
Max Length: 1066.8 mm (42″)
Min Feature Size: Ø0.5 mm feasible, Ø2.5 mm recommended
Minimum Wall Thickness: 0.5 mm (metals), 1 mm (plastics)
Threads: M2 feasible, M6+ recommended

Above is a list of the common processing parameters for CNC custom projects. If you require a custom service, please contact brighty@bestprocnc.com.

Material Selection Guide

Explore Surface Treatment

Our Maximum Capabilities for CNC Turning

Part size limitations	Metric units	Imperial units
Maximum part diameter	508 mm	20 inch
Maximum part length	1066.8 mm	42 inch
Maximum swing over the carriage	355.6 mm	14 inch
Maximum spindle through-hole	50.8 mm	2 inch

CNC Turning Design Guidelines

Feature	Recommended Size	Feasible Size
Min. Feature Size	Ø 2.5 mm	Ø 0.5 mm
Internal Edges	R 8 mm	R 0.25 mm
Minimum Wall Thickness	0.8 mm (for metals) 1.5 mm (for plastics)	0.5 mm (for metals) 1.0 mm (for plastics)
Holes	Diameter: standard drill bit sizes Depth: 4 x diameter	Diameter: standard drill bit sizes Depth: 4 x diameter
Threads	Size: M6 or larger Length: 3 x diameter	Size: M2

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Quality Assurance & Quality Control

Our integrated quality assurance (QA) and quality control (QC) systems ensure the highest production standards. ISO standard certifications uphold our quality management system, while the QC team conducts detailed inspections using advanced, calibrated equipment like CMM, VMS, calipers, hardness testers, etc… This dual approach “focused on prevention and precise inspection” ensures all parts meet stringent specifications and customer requirements, maintaining top precision, performance, and reliability.