Grommets Ltd - Rubber Grommets and Custom Moulded products

Measuring Guide Washers

A hand holds a digital calliper displaying a measurement of 16.27 mm, with a background of numerous black rubber washers.

Please use the diagram to help you measure the a, b, c dimensions of the Rubber Washers you require. Using these measurements as a guide you can then select a product code from the list that may be suitable for your requirements.

All of our part numbers are made up of the three a, b, c dimensions of the part itself.

Video Guide Watch our measuring guide

Step by Step Instructions Follow along measuring guide

Close up of hands demonstrating how to measure the outside diameter of a Washer.

Step 1. Dimension A

First measure your outside diameter, this is dimension A.

Close up of hands demonstrating how to measure the inside diameter of a Washer.

Step 2. Dimension B

Next measure your inside diameter, this is dimension B.

Close up of hands demonstrating how to measure the thickness/height of a Washer.

Step 3. Dimension C

Then measure your thickness/height, this is dimension C.

You now have the 3 critical dimensions for your washer.

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