Garage Engineering Episode 3: Pocket Rib Drilling, Punching Holes

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Getting a nicely centered hole around a bolt hole! – by Tom Walter

Source: 2006 Q4 Beartracks, Tom Walter

Tom's Daughter Focused on the Task

Tom's Daughter Focused on the Task


You can buy commercial drill bushings that will center a drill in a larger hole. While nice to have it is not always possible to have the size you need on a weekend. A quick way to make up a drill bushing is by

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