The Ultimate Guide to Conway Stewart Pen Refills

Are you unsure which refill you need for your Conway Stewart pen?

This ultimate Conway Stewart refill guide shows you every refill that Conway Stewart makes for their pens, which pens they fit, and alternatives from other brands where available.

The guide includes ballpoint pen refills, rollerball pen refills, fountain pen ink cartridges, bottled ink, and ink converters.

The Ultimate Guide to Conway Stewart Refills

1. About Conway Stewart

Conway Stewart is a British Pen manufacturer that can trace its roots back to 1905, when the company was formed in London by F. Jarvis and T. Garner. They have had a turbulent history with highs like providing the British wartime prime minister Winston Churchill with their fountain pens.

More recently, in 2005, another British prime minister Tony Blair gave a Conway Stewart No 58 Fountain Pen to each one of the world leaders at a G8 summit.

In 2014 they went into administration and were bought out by a company called Bespoke British Pens.

The refills in Conway Stewart pens are made by Schmidt Technologies, a German specialist refill manufacturer that supplies pen refills and parts to the leading luxury pen brands.

Check out our Ultimate Guide to Schmidt Refills for more information.

2. Conway Stewart Ballpoint Pen Refills

Schmidt P900 M G2 Parker Style Refill

Buy Parker Style G2 Ballpoint Pen Refills on Amazon 

Conway Stewart’s ballpoint pen refills are the Schmidt P900 refill, a “Parker Style” G2 refill widely used by many other pen manufacturers.

Conway Stewart supplies it with a fine or medium nib and black or blue ink.

Schmidt P900 refills are also available in the following colors and tip sizes:

  • Fine – black or blue ink
  • Medium – black, blue, red, green, magenta, turquoise, and violet ink
  • Broad – black or blue ink

There are over 35 different “Parker Style” G2 refills” made by other manufacturers that will fit Conway Stewart pens as they are a standard size complying with ISO Standard 1257-1

Check out our Ultimate Guide to Parker Style Refills for more details.

3. Conway Stewart Fineliner Refills

Schmidt 6040 Fineliner Refill

The Conway Stewart Fineliner refill is the German-made Schmidt Fineliner 6040 M, a smooth writing refill with a medium fiber tip and black or blue ink.

The Schmidt Fineliner 6040 M is a Europen Format rollerball pen refill that is a standard size.

Conway Stewart and Stratford Rollerball pens are fitted with a Euro Format refill, so they can be easily swapped over with the fineliner refill.

4. Conway Stewart Fountain Pen Refills

Conway Stewart fountain pens take short international-size ink cartridges. Depending on the pen, they can be refilled with bottled ink using either a K5 or a K6 ink converter.

We go into detail about these in the following sections.

4.1. Conway Stewart Fountain Pen Ink Bottles

Conway Stewart Fountain Pen Bottled Inks

Conway Stewart fountain pen ink is supplied in 80ml bottles and available in the following eight ink colors:

  • Aqua Blue
  • Onyx Black
  • Blue-Black
  • Sherwood Green
  • Saddle Brown
  • Imperial Purple
  • Poppy Red
  • Sapphire Blue

The water-based acid-free ink is non-toxic and is supplied to Conway Stewart by The British specialist fountain pen ink manufacturer Diamine, who has been making ink for over 150 years.

There are now over 100 different colors of Diamine ink to choose from.

4.2. Conway Stewart Fountain Pen Ink Cartridges

Conway Stewart Ink Cartridges

Conway Stewart fountain pen ink cartridges are the international standard short cartridges and are supplied in packs of six cartridges. They are available in the following eight ink colors:

  • Aqua Blue
  • Onyx Black
  • Blue-Black
  • Sherwood Green
  • Saddle Brown
  • Imperial Purple
  • Poppy Red
  • Sapphire Blue

The cartridges are made for Conway Stewart by Diamine, with 35 colors to choose from of their own branded short international ink cartridges.

4.3. Conway Stewart Screw-in K5 Converter

Conway Stewart K5 Ink Converter

The Conway Stewart K5 ink converter is a screw-in piston converter by Schmidt Technologies. It is available with gold or nickel plating.

Note The K5 converter will only fit in Conway Stewart Series 58 Fountain Pens.

4.4. Conway Stewart Screw-in K6 Converter

The Conway Stewart K6 ink converter is a screw-in piston converter by Schmidt Technologies. It is available with gold or nickel plating.

The Conway Stewart K6 ink converter will fit most of the Conway Stewart fountain pens.

Note The K6 ink converter does not fit Conway Stewart Series 58 Fountain Pens.

4.5. Conway Stewart Calligraphy Nibs

Conway Stewart Calligraphy Nibs

Conway Stewart Calligraphy Nibs are made from gold-plated steel and are available as a 1.1mm or 1.5mm nib.

The 1.1mm nib is slightly smoother to write with than the 1.5mm nib, but you can get much more line width variations with the 1.5mm nib depending on the amount of pressure applied when writing.

Conway Stewart Calligraphy nibs fit the following pens:

  • Conway Stewart Bard Fountain Pens
  • Conway Stewart Churchill Fountain Pens
  • Conway Stewart Duro Fountain Pens
  • Conway Stewart Marlborough Fountain Pens
  • Conway Stewart Series 100 Fountain Pens
  • Conway Stewart Series 58 Fountain Pens
  • Conway Stewart Wellington Fountain Pens
  • Conway Stewart Winston Fountain Pens
  • Conway Stewart Wordsworth Fountain Pens

5. Conway Stewart Rollerball Pen Refills

Schmidt Safety Ceramic Roller Refill 5888 M

Buy Schmidt 5888 Roller Refills on Amazon
 

All Conway Stewart rollerball pens have a standard size Euro Format rollerball pen refill with a fine tip and black or blue ink.

The refills are the same as the 5888 Safety Ceramic Rollerball Pen Refills, available in the following colors and tip sizes.

  • Schmidt Safety Ceramic Roller Refill 5888 F – black, blue, red, or green ink
  • Schmidt Safety Ceramic Roller Refill 5888 M – black, blue, red, green, magenta, turquoise, violet, light-green, pink, and orange
  • Schmidt Safety Ceramic Roller Refill 5888 B – black or blue ink

Schmidt also makes a cheaper version with a plastic barrel, the Schmidt 888 F, M, B refill.

Check out our Ultimate Guide to Euro Format Refills for more information on this type of refill.

6. Where Can I Buy Cheap Conway Stewart Pen Refills?

If you want to save money and buy cheap Conway Stewart refills, then Amazon is probably as good as anywhere. Many other online stores will sell them, but they struggle to compete with Amazon on prices and postal costs.

Don’t forget you can save money on buying Conway Stewart refills by searching Amazon for one of the Schmidt refills listed in this guide.

If you have a pen from a different manufacturer, check out Pen Brands Refill Guides, where there is a complete list of our in-depth refill guides for each manufacturer.

For more information about the different types of pen refills, check out our Ultimate Pen Refills Guide.

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