Fiber Laser Ceramic Ring D19.5 H12.6 M8 (WTC 04)
This WTC 04 ceramic ring is a precision nozzle holder and insulator for fiber laser cutting heads. It seats the cutting nozzle and electrically isolates it from the head body so the capacitive height sensor can read the standoff distance correctly, while the heat-resistant ceramic withstands radiant heat and spatter at the cutting zone. Dimensions are fixed by the D19.5 H12.6 M8 designation, so the ring drops straight into the head that uses this standard.
Specifications
| Model | WTC 04 |
| Outer Diameter (D) | 19.5 mm |
| Height (H) | 12.6 mm |
| Mounting Thread (M) | M8 |
| Type | Nozzle holder / ceramic ring |
| Application | Fiber laser cutting head |
Key Features
| Feature | Benefit |
|---|---|
| Electrical insulation | Isolates the nozzle so the capacitive height sensor reads standoff accurately. |
| Nozzle location | Positions and holds the nozzle concentric with the beam. |
| Heat resistance | Ceramic body withstands radiant heat and spatter at the cutting zone. |
| Precise dimensions | The fixed D19.5 / H12.6 / M8 size seats accurately in the head. |
Compatibility
Fits fiber laser cutting heads that use the D19.5 / H12.6 / M8 ceramic ring standard. If you are unsure whether this size matches your cutting head, send us your head model and we will confirm before you order.
Applications
| Use Case | Details |
|---|---|
| Fiber laser cutting | Nozzle holder and insulator inside the cutting head |
| Height sensing | Enables accurate capacitive standoff measurement |
| Maintenance | Replacement for a cracked or worn ceramic ring |
Why Choose ZNK?
| Specialist supplier | Focused on fiber laser cutting consumables and spare parts |
| Reliable fit | Dimensionally consistent parts for repeatable results |
| Technical support | We help you match the right consumable to your machine |
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