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0326
HaoRui
0326
Thread, polygon bore, steps and holes machined in one Si3N4 part
Contract machining of customer designs or full OEM/ODM
Each batch ships with inspection records for traceability
Reliable isolation in compact threaded assemblies
Made to drawing with tolerances down to ±0.01 mm where applicable
Electrical insulators
Sensor components
Threaded insulating assemblies
| Property | Data | Unit |
|---|---|---|
| Color | Black / Grey | - |
| Density | 3.2 | g/cm³ |
| Bending strength | 750 | MPa |
| Compressive strength | 3,800 | MPa |
| Elastic modulus | 290 | GPa |
| Fracture toughness | 7 | MPa·m1/2 |
| Weber coefficient | 15 | m |
| Vickers hardness | 1,700 | HV0.5 |
| Coefficient of linear thermal expansion | 2 | 10⁻⁶ K⁻¹ |
| Thermal conductivity | 20 | W/mK |
| Thermal shock resistance (water quench) | 750 | ΔT °C |
| Max working temperature | 1,300 | °C |
| Volume resistance at 20 °C | >10¹⁴ | Ω·cm |
| Dielectric strength | 10 ×10⁶ | V/m |
Laboratory test data of the silicon nitride grade we machine. Customers should judge suitability for the specific working environment. Tolerances, surface finish and part-specific dimensions are made to your drawing.
Send a drawing (STEP / DXF / PDF) or a sample - we quote from either.
Thread spec, bore profile and hole layout machined to your specification.
Tolerance: ±0.01 mm typical, down to ±0.005 mm on critical dimensions.
Finishing: as-machined, diamond-ground or lapped.
Prototype and small batch orders accepted; production quantities supplied with inspection report on request.
