To preclude premature wear and seal failure, the metal surfaces which contact o-rings during installation and system operation must be properly prepared. Preparation consists of appropriate selection of materials, as well as machining for optimum surface finish.

To prevent o-ring extrusion or nibbling, rectangular, straight-sided, glandular grooves are best. For pressures up to 1,500 psi, 5° sloping sides are acceptable and easier to machine. Break all sharp corners by at least 0.005″ to avoid unnecessary cutting or nicking of o-rings during assembly and operation.


*To request a sample, a quote or to speak with an engineer, please use one of the following forms: Sample Request, Request for Quote or Engineering Requests.

To search our o-ring inventory, please use our O-Ring Size Search tool.

For all other questions…