Alumina Custom Parts
As an ISO 9001 certified manufacturer specializing in custom alumina ceramic parts with a ±0.001 mm tolerance, we can deliver a significant performance improvement to your project.
Product & Capabilities
We offer ultra-precision machining for alumina ceramic parts to meet the most demanding specifications:
Standard tolerances: ±0.01 mm
Ultra-precision tolerances: ±0.001 mm for cylindrical and structural parts
Flatness: up to 0.001 mm for critical surfaces
Surface roughness: as low as Ra 0.01 μm for structural parts, and Ra 0.002 μm for optical finishes
Dimensions:
Minimum size: micro-components as small as 0.5 mm
Maximum size: up to 500 mm in length/diameter (depending on geometry)
Material Purity Options
We supply and process alumina ceramics in multiple purity grades to suit different applications:
95% Al₂O₃ – Excellent mechanical strength and wear resistance
99% Al₂O₃ – Higher hardness and electrical insulation performance
99.8% Al₂O₃ – Maximum thermal stability and chemical resistance, ideal for high-temperature and ultra-clean environments
Machining & Finishing Methods
Our advanced machining capabilities allow complex and high-precision alumina components, including:
CNC Milling – 3, 4, and 5-axis precision machining
Surface Grinding – Flatness up to 0.001 mm
Polishing – Optical and mirror finishes available
Laser Cutting & Drilling – Micro-holes down to 0.1 mm diameter with ±0.16 mm accuracy
Chamfering, Slotting, and Threading – For functional integration in assemblies
Custom Shapes & Geometries
We manufacture alumina parts in a wide range of shapes, including but not limited to:
Plates & Substrates – Precision-cut flat parts for electronics and thermal management
Rods & Tubes – Cylindrical shapes for mechanical and insulating functions
Rings & Discs – Sealing, bearing, and structural components
Complex 3D Forms – Multi-axis machining for intricate geometries and prototypes
Custom Profiles – Based on customer CAD drawings or reverse-engineering from samples
Custom Shapes & Geometries
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Not sure which ceramic material is suitable for your application? Contact our experts for assistance