Tap to match Mont Blanc cartridge

[mdavis]

A customer asked me if I could make a pen that would accept Mont Blanc cartridges. To do so, I would have to have a tap of the appropriate size and thread count to tap the pen barrel. Does anyone know of taps being available for this? Also, is there any question of legality involved? I haven't got a clue what the correct size would be. Any help would be appreciated.

 

[duncsuss]

According to Nibs.com, the Bexley K6 Converter "fits many Montblanc fountain pens" ... LINK

The K6 converters typically use M7.5 x 0.75 threads (as mentioned on Indy-Pen-Dance website ... LINK)

M7.5 x 0.75 taps are sold a few places, I've seen them on milanspens.com

 

[bmachin]

Are you talking fountain pens or rollerballs here? The reason I ask is that I'm pretty sure that Montblanc rollerballs thread into the front section. I believe there has been some discussion of that here in the past.

See here: http://www.penturners.org/forum/f30/mont-blanc-taps-65114/

Bill