housing

Hello, Does someone here have a technical drawing they are willing to share of their custom Bock #6 section, that accepts the Bock #6 nib housing? I know I should drill with a 7.3mm drill bit for the housing thread, and probably with a little smaller diameter bit through the entire section, so...

Hello, Where can I buy Bock threaded collars/housings for #6 size generic feeds ? The sort on Bexley fountain pens. I'm looking for 10 to 20 units. A real Bock housing + feed are a complimentary pair because they have a tongue and groove fitting, they're not swappable with feeds other...

Hi All, I am wondering if anyone has any direct experience with using Heritance Nibs on either the Jowo or Bock feeds. Is one better than the other? How is the fit? I know in theory #5 and #6 nibs should all be interchangeable, but I have not found that to be so. Sometimes there is a gap...