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Zephrant

Bulkhead Nut Tool

by Zephrant Dec 4, 2017
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My bulkheads measure (nut,from flat to flat):
3/4": 51mm
1": 51mm
1.5": 70mm
2": 78mm

But it's best to just order the bulkheads, then print the one that fits. If you don't have a cheap digital caliper that reads in inches and mm, it's time to get one. :)

Yep- Was designed for 1" US bulkheads, but there are several different sizes for the nuts.
Was just easier to measure across the flats of the nut in mm in order to scale the model.

Awesome, thank you! Which mm size is for the 1" bulkhead? Ideally, I'd have a tool for 3/4", 1", and 1.5" bulkheads.

I was looking here: https://www.bulkreefsupply.com/bulkhead-abs-thread-x-thread.html and can't seem to line them up with you mm measurements in the filenames.

Do these work with US (inch) bulkheads?