Measuring Guide Standard Bungs

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 and b dimensions of the Standard Rubber Bungs and Stoppers 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 and b 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 panel hole size of a Bung.

Step 1. Dimension A

First measure your panel hole size, this is dimension A.

Close up of hands demonstrating how to measure the length/height of a Bung.

Step 2. Dimension B

Then measure your bung length/height, this is dimension B.

You now have the 2 critical dimensions for your bung.

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