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Annular ring (the difference in radius between pad radius and hole radius) should be X 12 mils / X 0.3 mm. Fabricators specify a smaller size which we can use, but we recommend this size for ease of hand solderability.
This means you should take hole size (diameter) and add 0.6mm. See https://www.worthingtonassembly.com/plated-thru-hole-size for more.
Mounting & GND Pads
If a component requires additional pads that are not regular electrical connections, they must be defined as “GND” or as “MNT” dependent on purpose of the pad. They may be MNT1, MNT2, etc to keep unique identifiers.
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