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![](https://stage.craftcutcreate.com/media/wysiwyg/How_to_use_this_chart_1.jpg)
How to use this chart
Locate your drill or hardware thread size. The recommended close/free fit will indicate the size of your hole. Use the free fit for a looser connection and the close fit for a tighter one.
For countersinking, the close/free fit sizes will apply to the minor diameter.
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