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I'm about to create surface mountable module with at least 65 castellated mounting holes but I am wondering about few things:

  • Is there a minimum size for a castellated hole?
  • Is there a minimum spacing between two castellated holes?
  • Is it possible to make a PCB with castellated holes on all sides?

Is anyone familiar with this type of PCB?

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    \$\begingroup\$ These are all questions you should ask your board house. \$\endgroup\$ – Matt Young Oct 1 '15 at 16:18

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