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Large size O-rings custom made to size

Large O-rings are a type of seal that is used in a variety of applications where a large, flexible seal is needed. They are typically made from rubber or silicone and are available in a wide range of sizes and materials.

Sizonke trading supplies O-rings from very small all the way up to 3 meters/3000 millimetres in diameter.

Large O-rings are used in a variety of industries, including:
  • Aerospace

  • Automotive

  • Chemical

  • Construction

  • Food processing

  • Oil and gas

  • Pharmaceutical

  • Power generation

  • Water treatment

Large O-rings are available in a variety of sizes, materials, and durometers. The size of an O-ring is determined by its outside diameter (OD), inside diameter (ID), and cross-section. The material of an O-ring is determined by the application in which it will be used. The durometer of an O-ring is a measure of its hardness.

Large O-rings are a critical component in many applications. They are used to prevent leaks and ensure the safety of people and equipment.

Here are some of the advantages of using large O-rings:

  • They are available in a wide range of sizes and materials.

  • They are easy to install.

  • They are durable and can withstand a variety of harsh environments.

  • They are cost-effective.

O-ring Cord in stock 

Standard sizes O-ring cord Sizonke trading keep in stock 

2.0mm O-ring cord 

2.4mm (3/32 inch) O-ring cord 

3.0mm O-ring cord 

3.53mm (0.139 inch) O-ring cord 

4.0mm (5/32 inch) O-ring cord 

4.5mm O-ring cord 

4.76mm (3/16 inch) O-ring cord 

5.0mm O-ring cord 

5.33mm (0.210 inch) O-ring cord 

5.7mm O-ring cord 

6.0mm O-ring cord 

6.35mm (1/4inch) O-ring cord 

6.99mm (0.275 inch) O-ring cord 

8.0mm (5/16 inch) O-ring cord 

9.5mm (3/8inch) O-ring cord 

10mm O-ring cord 

12.7mm (1/2 inch).

O_Rings Isolated

Available in all manufactured X-Sections from 0.070" / 1.178mm to 0.275" / 7mm with over 20 000 sizes


Encapsulated O-Rings

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