Standard Sizing Charts for O-Rings, Quad-Ring ® Seals, Rubber X-Ring Seals, and Rubber Square-Ring Seals

O-Rings are available in various standard sizes. Refer to our o-ring sizing charts for the most commonly used sizes around the world like; USA AS568 o-ring standard sizing chart, common metric o-ring sizing chart, Japanese JIS o-ring sizing chart, British BS o-ring sizing chart, quad-ring ® seals x-ring sizing charts, square ring sizing chart. We also offer custom o-rings without tooling fees to ensure a perfect fit. Once you find the right size order o-rings online from our world’s largest inventory network or contact us for responsive expert service.

o-ring standard sizing charts

O-RING STANDARD SIZING CHARTS

USA O-Ring Sizing Chart:
View Online Download PDF
Japanese JIS O-Rings Sizing Chart
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British BS O-Ring Sizing Chart
View Online Download PDF
Common Metric O-Ring Sizing Chart
View Online Download PDF
x-ring standard sizing charts

X-RING STANDARD SIZING CHARTS

USA Standard X-Ring Sizing Chart
View Online Download PDF
square ring standard sizing charts

SQUARE STANDARD SIZING CHARTS

USA Standard Square-Ring Sizing Chart
View Online Download PDF

Non-Standard and Custom Sizes Available in Most Materials with
No Tooling or Setup Fees

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O-RING SIZE LIST INFORMATION

O-rings are the most commonly used and widely available rubber sealing rings in the market. Various nations and organizations have developed o-ring sizing standards that are now used worldwide. Popular o-ring size standards include USA's AS568 o-ring size chart, the UK's BS 1806 o-ring sizing chart, and Japan's JIS B 2401 o-ring size list. Metric o-rings and custom size o-rings are often used when a standard o-ring size will not fit an application or existing hardware. X-rings and Square-rings Marco Rubber offers custom o-rings and non-standard o-rings in most materials with no tooling fees or setup fees. If you don't see the size you need listed in a standard or metric o-ring size chart then please contact us or request a quote.

X-RING AND SQUARE-RING SIZE LIST INFORMATION

X-rings and Square Rings are widely available in standard USA AS-568 sizes. Tooling for metric x-rings, metric Quad-Ring® Seals, and metric Square Rings is less common than metric o-ring tooling. Marco Rubber offers custom x-rings, custom square rings, non-standard x-rings, and non-standard square rings in most materials with no tooling fees or setup fees. If you don't see the size you need listed in a standard x-ring size chart or standard square ring size chart then please contact us or request a quote.

New Customer Hotline: 800-775-6525

Existing Customer Specialist: 800-775-6525 or repeat customers

Marco Rubber & Plastics
PO Box 1150
Seabrook, NH 03874

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