Standard Sizes of O Rings

We have wide range of different standard size o-rings in stock. British Standard BS1806 and BS4518, US SAE AS568, Japanese JIS B 2401 German & International standards publications, Because they are so widely used there is a variety of global standards for O-ring dimensions. The most commonly used Imperial size standards are:

Australian Standard AS2842-1986 Fluid Power O-rings and Housings. And the commonly used Metric standards are:

Fitco Seals also supplies:

• Vulcanised and cold joined O-rings
• O-ring Cord in Nitrile, EPDM, Viton and Silicone
• O-ring Backups
• Quad or X-rings
• O-ring Kits