Determine What Type of Grommet You NeedThere are many different types of rubber grommets, including open grommets, sleeved grommets, handle grips, and more. Depending on the industry and application you’re shopping for, the type of grommet you need will vary. Make sure you know which type you need before you start measuring.
Use the Correct Tools to MeasureGrommet dimensions are usually measured in thousands of inches, which is three decimal places after zero. You’ll need to use very precise tools to get accurate measurements for your application. You can use a caliper to get most dimensions for your grommet, but you’ll also need pin gauges to get accurate inside diameter (ID) and hole size measurements. Rubber grommets are not always circular either, which can make them difficult to measure. Sometimes they are squares, ovals, or squared circles, depending on the shape they are molded to fit. However, having the right tools will help.
Grommet Measuring: Two MethodsMethod #1: Measure the Panel One great way to determine the thickness and diameter of the grommet you need is to measure the panel. You can do this by measuring the:
- Thickness of the panel
- Size of the hole where the grommet will be applied
- Size of the object that will pass through the hole.
- Panel thickness
- Grommet thickness
- Panel hole diameter
- Inside diameter (the hole)
- Outside diameter (the outer circle).
Coating Systems Is Here to Help!Still not sure what size rubber grommets you need? No problem. Contact Coating Systems, Inc. online or call us at 1-800-593-7754. We’ll help you determine the best solution.
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