Double sided/passthrough bowden connector?

I'm looking to buy a passthrough Bowden connector. All I have seen are bigger on the ptfe side and smaller on the filament side. Basically I'm trying to lock my Bowden into a high point of my effector while allowing it to pass through into the hotend heatsink. The default Bowden attachment on the hotend itself is covered by the design of the effector so I can't get to it.

Know where I could find something like this?

I just drill the ones i need myself. You just have to be carefull not to drill into the sharp edges that grip the bowden.

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[www.bonkers.de]
[merlin-hotend.de]
[www.hackerspace-ffm.de]

I drill mine out as well, as Srek says you have to be a bit careful. They are made of brass, which does tend to grab the drill bit. A drill press can help to ensure you don't go too far.

I too just drill the base out myself . Watch out for swarf

I have searched high and low for a specification for a fitting that allows the tube to pass through with no success.

You're looking for a push fit male stud fitting or push fit straight union connector. Some allow the pipe through but most don't.

Most common for hotends being 4mm tube (for 1.75 filament) to 1/8" BSPT thread. Metric threads also available.

In the UK, Cromwell Tools sell quality pneumatic fittings cheaper than thebay.

Cromwell tools