STANDARD O-RINGS SIZES CHARTS

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U.S. and Metric O-Ring Sizes, Quad-Ring Seals, Rubber X-Ring Seals, Rubber Square-Ring Seals

The proper o-ring size is a fundamental aspect of proper o-ring performance. Whether your application conforms to U.S., Japanese JIS, British BS, or Common Metric sizing for o-rings, these o-ring size charts will help you locate the right o-ring size. If the o-ring, quad-ring, x-ring or square-ring you need doesn’t fit these standards, custom and non-standard products are available for most materials with no tooling or setup fees.

You can contact us or request a quote online to quickly and easily order o-rings, x-rings, square-rings or other non-standard products.

Standard O-Ring Sizes

STANDARD O-RING SIZES CHARTS

USA O-Ring Sizes Chart:
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Japanese JIS O-Rings Sizes Chart
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British BS O-Ring Sizes Chart
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Common Metric O-Ring Sizes Chart
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O-Rings Power Pages

O-Rings

O-Rings

An O-ring is a round elastic loop that is used as a seal for static and dynamic applications. Their main purpose is to serve as a seal between structures such as pipes, tubes, in pistons, and cylinders. O-rings are made of various materials depending on how they will be used and are highly pliable...

Rubber O-Rings

Rubber O-Rings

A rubber O ring is a mechanical gasket in the shape of a torus or donut and is used for static and dynamic applications where there is relative motion between parts and the possibility of friction. Some of the benefits of rubber O rings are...

Hydraulic Seals

Hydraulic Seals

Hydraulic seals are a form of gasket-like rings that are used to fill gaps between hydraulic cylinder components. Many different components are found in hydraulic cylinders, some of which get in...

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Gaskets

Gaskets are a type of mechanical seal that inhibits leakage by filling the gap between static mating surfaces. It takes advantage of the compressive force that drives the gasket material to plastically flow between the...

Die Cutting

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Die cutting is a mass fabrication process for cutting out shapes by shearing stock materials such as paper and chipboard using a die, which is a specially crafted tool used for cutting or shaping a material. The die has sharp...

Rubber Molding

Rubber Molding

Rubber molding is a process of transforming uncured rubber or an elastomer into a usable product by transferring, compressing, or injecting raw rubber material into a metal mold cavity...

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