Well, after reading all this, I am now convinced that I am not even going to attempt re-building these OCC (v2) vertical coil heads ... just not worth the time and frustration.
All I buy is the (v1) horizontal coil heads with the 2-piece housing .... easy to re-build these coil heads
And if your going to re-build them anyway, you might as well buy the cheapest ones on the internet ... even though they are not authentic Kanger:
$12.24 Replacement Coil Head for SUBTANK Clearomizer (10-Pack) 10-pack - 1.2ohm (12-25W) at FastTech - Worldwide Free Shipping
$12.24 for a 10-pack (that's only $1.22 a piece)
All I buy is the (v1) horizontal coil heads with the 2-piece housing .... easy to re-build these coil heads

And if your going to re-build them anyway, you might as well buy the cheapest ones on the internet ... even though they are not authentic Kanger:
$12.24 Replacement Coil Head for SUBTANK Clearomizer (10-Pack) 10-pack - 1.2ohm (12-25W) at FastTech - Worldwide Free Shipping
$12.24 for a 10-pack (that's only $1.22 a piece)
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