Custom rubber O-rings designed for sealing applications requiring flexible size options, smooth surface quality, and reliable inspection support. With more than 3,500 existing O-ring tools, we can support a wide range of standard and custom sizes with reduced tooling cost.
Our custom rubber O-rings are manufactured for sealing applications that require stable quality, flexible size options, and fast tool matching. Standard and custom dimensions are available according to drawings, samples, or application requirements.
More than 3,500 sets of O-ring tools are available, helping reduce tooling cost for matched sizes.
When the required size matches existing tooling, no additional tooling charge is needed.
Available from tiny sizes such as ID 0.60 × CS 0.20 mm to large sizes up to ID 1000.00 × CS 20.00 mm.
Smooth molded surface with a small parting line helps improve sealing consistency and product appearance.
Automatic Doss Machine inspection is available for 100% O-ring checking.
O-ring dimensions can be selected or customized according to sealing groove, sample, or drawing requirements.
Technical specifications for custom rubber O-rings with existing tooling support and wide size availability.
| Product Specifications | |
|---|---|
| Product Type | Custom Rubber O-Ring |
| Parent Category | O-Rings |
| Category | Custom Rubber O-Rings |
| Size Range | ID 0.60 × CS 0.20 mm to ID 1000.00 × CS 20.00 mm |
| Surface Quality | Smooth surface with small parting line |
| Inspection | 100% checking available by Doss Machine |
| Existing Tools | 3,500+ sets of O-ring tools |
| Tooling Charge | No tooling charge for matched existing sizes |
| Color | Blue or custom color |
With more than 3,500 existing O-ring tools, we can match many standard and custom sizes quickly, helping reduce mold cost and shorten development time.
Existing O-Ring Tools
Minimum Inside Diameter
Custom rubber O-rings are used in applications where sealing, compression, leakage prevention, and stable fitting are required.
We provide custom rubber O-ring manufacturing based on drawings, samples, size requirements, material selection, color needs, and application conditions.

We help match existing O-ring tools based on ID, CS, samples, or sealing groove requirements.
Different rubber compounds can be selected according to oil resistance, weather resistance, heat resistance, chemical resistance, or cost requirements.
Blue and other custom colors can be produced according to project, identification, or assembly requirements.
Doss Machine inspection is available for 100% O-ring checking to support consistent quality control.

Explore complementary sealing solutions from our comprehensive product catalog.
English