O-Rings

British Standard O-Ring Dimensions

O-Rings are stocked in an extensive selection of standard sizes and materials by Henry Gallacher. Our range includes nitrile, Viton®, FKM, silicone, EPDM, PTFE, neoprene, polyurethane and Kalrez®, with Shore hardness options spanning from 40° to 90°. All O-Rings conform to British imperial and metric specifications. Rubber O-Ring cords are also available for custom dimensions to suit your specific requirements.

Availability

We supply all British Standard sizes. Please refer to our BS O-Ring dimension table for details. For non-standard sizes, we offer moulded O-Rings or can cut and bond from cord depending on the material.

How to Measure an O-Ring

How to measure an O-Ring