



Schmidt 635 size
D1 mini ballpoint
- Length
- about 67 mm
- Diameter
- about 2.3 mm
- Format
- D1 mini ballpoint
- Point
- Tungsten carbide ball, Medium
Pens that take the Schmidt 635
Every pen listed here takes the Schmidt 635. Choose your pen's brand or search for your model.
6 pens listed
Pens by brand
- Classic Sport ballpointTakes the D1 refill.
- Liliput ballpointTakes the D1 refill.
- Skyline Sport ballpointTakes the D1 refill.
- 2000 4-color multi penShips with Lamy M21 refills, which are D1.
- 600 3-in-1 multi penTakes D1 ballpoint refills.
- Crystalline ballpointOn some, the original refill has an adapter section to reuse.
No listed pen matches that search. Compare your old refill with the size above, or ask us.
Pen not listed? Measure your old refill end to end. The Schmidt 635 is about 67 mm long and about 2.3 mm across.
Schmidt 635 questions
What is a D1 refill?
D1 is the small refill format used in multi-pens and mini pens, about 67 mm long and about 2.3 mm in diameter.
Is a D1 refill the same as a G2 or Parker-style refill?
No. G2 refills are about 98 mm long and about 6 mm across; D1 refills are much smaller, and the two are not interchangeable without an adapter.
Which pens take the Schmidt 635?
Pens that take a D1 refill. The table above names each pen model we list, including the Lamy 2000 4-color, the Rotring 600 3-in-1 and Kaweco Sport ballpoints.
Why is the tip colored?
Schmidt colors the 635's tip to show the ink color, so black, blue and red refills are easy to tell apart in a multi-pen.
How many refills come in a pack?
Four refills per pack.
Where is the Schmidt 635 made?
Schmidt makes its products in St. Georgen, Germany. Yafa Pen Company is a U.S. distributor for Schmidt Writing Instrument Technology.
Schmidt 635 specifications
| Manufacturer | Schmidt Technology, St. Georgen, Germany |
|---|---|
| Schmidt model | S 635 M |
| Refill type | D1 ballpoint |
| Point | Medium, tungsten carbide ball |
| Tip | Stainless steel, colored to match the ink |
| Tube | Metal |
| Size | About 67 mm long, about 2.3 mm diameter |
| Ink colors at Yafa | Black, blue and red |
| Pack | 4 refills |
| Yafa SKUs | SC58149 (black), SC58150 (blue), SC58151 (red) |

