PCB Countersink Holes



2 Type  PCB Countersink Holes design , V Countersink  Holes and T Countersink  Hours . 


PCB circuit board Countersink hole


How to drill PCB Countersink Holes


Countersink-Holes board counterbore hole


A countersink is a conical hole cut into a manufactured object, or the cutter used to cut such a hole. A common usage is to allow the head of a countersink bolt or screw, when placed in the hole, to sit flush with or below the surface of the surrounding material.


When you plan to design countersink in your board, below information is required:

Which side of countersink hole be drilled? Like Bottom Layer?
Is the countersink hole plated or non-plated?
What is countersink hole diameter(d2)?
What is through hole diameter(d1)?
What is the depth of countersink hole need to sink(t1)?
What is angle of countersink hole(like 90 degree or other)?

Fr4   PCB Countersink Holes                                                            Aluminum PCB Countersink Holes

Fr4 PCB Countersink holes       Aluminum PCB Countersink hole

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