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