Precision Brass Wire for Reliable Wire EDM Performance
♦ Our premium Wire EDM O-Rings are manufactured from high-quality sealing materials to provide dependable performance in demanding machining environments. Designed for excellent elasticity, wear resistance, and chemical compatibility, they effectively prevent water leakage and maintain stable pressure throughout the dielectric water circulation system.
♦ Engineered for long service life and reliable sealing, our O-rings help reduce maintenance requirements while supporting consistent machining accuracy. Suitable for a wide range of Wire EDM machines, they are available in various sizes and material options to meet different application needs.
Key Features

Provides a secure, leak-free seal to maintain stable water pressure and ensure consistent machining performance.

Made from durable elastomer materials that resist abrasion and repeated compression for extended service life.

Compatible with deionized water and common Wire EDM dielectric fluids for long-lasting sealing reliability.

Engineered with premium materials to reduce replacement frequency and lower maintenance costs.
- Common Specifications
| Item | Typical Range |
|---|---|
| Material | NBR / EPDM / Silicone / FKM (Viton) |
| Inner Diameter | Approximately 2–100 mm |
| Cross Section | 1–8 mm |
| Color | Black / Green / Brown / Transparent |
| Hardness | 60–90 Shore A |
| Temperature Range | -20°C to +200°C (Depending on Material) |
Related Product
Frequently Asked Questions
An O-ring provides a reliable seal between components, preventing dielectric water leakage and maintaining stable system pressure.
Replacement depends on operating conditions, but they should be inspected during routine maintenance and replaced whenever wear or leakage is detected.
NBR is commonly used for general applications, while EPDM, Silicone, and FKM (Viton) offer improved resistance to heat or chemicals depending on the operating environment.
Yes. Damaged seals may cause water leakage, unstable pressure, and reduced cooling efficiency, which can negatively affect machining stability.
Yes. We offer a wide range of standard and custom O-ring sizes to suit various Wire EDM machine models and sealing applications.














