Our Small Rubber O-Rings are precision sealing solutions designed for micro-scale, high-pressure, and high-performance applications. Made from premium materials like NBR, FKM, EPDM, and Silicone, they provide excellent elasticity, chemical resistance, and long-term durability.
Ideal for pumps, valves, sensors, medical devices, and miniature machinery, these O-rings ensure leak-proof performance even under extreme conditions.
We offer both standard sizes and fully customizable dimensions, with our smallest produced O-ring down to 0.2 mm.

Product Features
1. Excellent micro-sealing performance
Small O-rings are designed to maintain airtight and watertight sealing in tight spaces.
Even under micro-pressure and micro-movement environments, they provide a stable sealing effect to prevent water, gas, or oil leakage.
2. Superior precision and dimensional stability
Using high-precision molds and strict inspection procedures, every O-ring maintains accurate cross-section (CS) and inside diameter (ID).
This ensures perfect fit and prevents installation failure or leakage caused by dimensional deviation.
3. High elasticity & long service life
Our small rubber O-rings retain elasticity even after long-term compression, vibration, or temperature changes.
Materials such as NBR, Silicone, EPDM, and FKM ensure durability in various environments-from water systems to high-temperature or chemical exposure.
4. Fully customizable solutions
We offer complete customization including:
Micro-size O-rings (ID < 1 mm)
Special CS and ID combinations
Material hardness adjustments
Special-performance rubber (low-temperature, high-temperature, low-compression-set)
Whether for standard or special miniature applications, we can produce O-rings that fit your exact requirements.
Functions
1. Sealing Protection
Rubber O-Ring For Bunnings creates a reliable seal between pipe joints, fittings, or mechanical components, effectively preventing leakage of liquids or gases under various working pressures.
2. Durability & Environmental Resistance
Made from high-quality rubber materials such as NBR, EPDM, or FKM, it withstands oil, ozone, and chemical corrosion, ensuring long service life even under outdoor or industrial conditions.
3. Shock Absorption & Vibration Reduction
The elastic structure of Rubber O-Ring For Bunnings absorbs vibration and mechanical stress, reducing noise and protecting parts from wear.
4. Custom Fit & Easy Replacement
We provide full customization - including material, hardness, and size - ensuring a perfect fit for Bunnings equipment and tools.
Material Comparison Table
|
Feature / Material |
NBR |
FKM (Viton®) |
EPDM |
Silicone |
HNBR |
|
Hardness (Shore A) |
30–90 |
50–90 |
40–90 |
5–90 |
50–90 |
|
Temp Range |
-40°C ~ +120°C |
-20°C ~ +250°C |
-50°C ~ +150°C |
-60°C ~ +230°C |
-40°C ~ +150°C |
|
Key Features |
Oil/fuel/grease resistance; good mechanical properties |
Heat, chemical, oil resistance |
Weather, ozone, water, steam resistance |
Flexibility, wide temp, food-grade options |
Heat, oil, chemical resistance, aging resistance |
|
Advantages |
Affordable, versatile, good wear resistance |
Excellent high-temp and chemical resistance |
Excellent outdoor & water system performance |
Excellent low/high temp performance, food-safe |
Superior durability and mechanical properties |
|
Limitations |
Poor ozone/weather resistance |
Expensive, harder to process |
Poor oil/fuel resistance |
Low mechanical strength, expensive |
Cost higher than NBR |
|
Typical Applications |
Automotive seals, hydraulic systems, general machinery |
High-temp automotive, aerospace, chemical industry |
Plumbing, water systems, HVAC, outdoor sealing |
Food & beverage, medical, electrical insulation, extreme temp |
Automotive, industrial hydraulics, oil & gas sealing |
O Ring Applications

They provide reliable sealing performance without deformation or leakage.
Typical Applications:
Plumbing systems: Prevent water leakage in joints and pipes.
Machinery & equipment: Used for hydraulic and pneumatic sealing.
Automotive parts: Suitable for engine, fuel, and brake systems.
Home & garden tools: Replacement parts for Bunnings machinery and DIY projects.
Products Advantages
1. Long Service Life
The combination of high elasticity and chemical resistance ensures stable performance and minimal degradation over time, significantly extending equipment life.
2. Superior Sealing Effect
Even under high pressure and extreme temperature changes, Viton O-rings maintain tight sealing, effectively preventing leakage and reducing maintenance costs.
3. Environmentally Friendly Production
All materials comply with RoHS and REACH standards, ensuring environmental safety during use.

Why Choose US ?

1.10,000+ Molds Available – Extensive mold library to meet diverse size and material requirements.
2.No MOQ, Starts from One Piece – Flexible customization from sample testing to bulk production.
3. In-Stock Inventory - Standard sizes in stock, ensuring quick shipment, Fast Global Delivery
Focus on Quality
•Precise inspection, zero-defect quality, ensuring both delivery time and quality.
•Meets the 125/1008H high-temperature aging test requirements of the new energy industry;
•Withstands commercial cleaner (Alcohols, Alkalis, Oils) test requirements.

Packing & Delivery

|
MOQ |
1 pcs |
|
Lead Time |
- In stock: Shipped within 3 days |
|
Port |
China Xiamen |
|
Shipping Methods |
Express (DHL, FedEx, UPS), Air, or Sea |
|
Sample Policy |
Samples available; customer should pay freight cost |
Qualification Certificate

Contact US:
Xiamen Best Seal Imp and Exp Co.,Ltd
Tel: +86-592-5782315
Mob: +8618950159396
Email: yunying2@bestsealhk.com
Add: Unit 522-525, Gaodian Road 6#, Huli District, Xiamen, China
Why choose us?
- We are committed to providing our customers with reliable and cost-effective Solid O-ring solutions.
- We adhere to the business philosophy of customer first, mutual benefit and market first, give full play to the advantages of talents, information and cost-effectiveness, make excellence, and continuously improve the professional level and service quality.
- Our Solid O-ring products undergo stringent testing to ensure they meet or exceed industry standards.
- In the fierce market competition, our company develops steadily, and always becomes a profit maker in the final market pattern in every major technological change.
- We keep up with the latest industry developments to ensure our Solid O-ring products are up to date and effective.
- The company's goal is to create products with good use function and fair price for customers. We are willing to cooperate with you wholeheartedly with professional equipment, strong technical force and perfect after-sales service, and welcome customers to negotiate business by letter.
- We follow strict manufacturing protocols to ensure consistency in our Solid O-ring products.
- Our personnel are always in the spirit of 'continuous improvement and excellence', and with the superior quality products, favorable price and good after-sales services, we try to win every customer's trust for Small Rubber O Ring.
- Our Solid O-ring products are backed by a solid warranty and guarantee of quality.
- Based on market demand, the company insists on technological innovation, people-oriented, research and development and production of Small Rubber O Ring products that meet the different needs of the market.
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