Dear JLCPCB customers,

JLCPCB will be closed from Jan 30th to Feb 11th(GMT+8) to celebrate the Chinese New Year. To avoid unnecessary delays to your project, please kindly schedule your orders ahead of time.
Here's the detail of our holiday schedule>>.

What is Castellated holes / half cut holes?

Castellated holes is PTH holes or via that are cut through to create a partial or half holes to form an opening into the side of the hole barrel. Generally, it is used for mounting a PCB to another one.

To make Castellated holes, the hole size needs to be 0.6 mm at least and the space between the holes also needs to be 0.6 mm at least.


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