Schmidt® 635 Mini D1 Ballpoint Refill, Medium Point, 4pk
- Regular price
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$11.00 - Regular price
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- Sale price
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$11.00
The Schmidt 635 is a D1 ballpoint refill in Medium, with a metal tube, a stainless steel tip and a tungsten carbide ball. D1 is the small refill format used in multi-pens and mini pens, about 67 mm long and about 2.3 mm in diameter. The tip is colored to match the ink. Each pack holds four refills, and Yafa stocks the 635 in black, blue and red.
Schmidt makes its products in St. Georgen, Germany. Yafa Pen Company is a U.S. distributor for Schmidt Writing Instrument Technology.
Pen brand names on this page are used only to show refill fit. Schmidt refills are not made, licensed or endorsed by those pen makers.
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Schmidt 635 size
- 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.
42 pens listed
Pens by brand
- Original Tool Pen ballpoint
- Original Tool Pen keychain ballpoint
- Poquito Stylus
- Illusia Diamond
- Illusia Triangle
- Illusia Square
- Quadro 4-in-1 Multifunction
- Minigraph
- 2000 4-color multi pen
- cp1 tri pen
- spirit ballpoint
- logo multi pen*
- st tri pen
- st twin pen
- cp1 twin pen
- logo twin pen
- Tech3+ multifunction pen
- Tech4 multifunction pen
- Autocross multi pen
- Compact multi pen
- Souverän K300 ballpoint
- Level L5 Duo-Pen
- Multi 4x1 pen
- Classic Sport ballpoint
- AL Sport ballpoint
- Brass Sport ballpoint
- Skyline Sport ballpoint
- Liliput ballpoint
- Special S (mini) ballpoint
- Steel Sport ballpoint
- Frosted Sport ballpoint
- Lunar Sport ballpoint
- Ice Sport ballpoint*
- Art Sport ballpoint*
- Collection Sport ballpoint*
- Twice multipen
- Trio multipen
- Pocket ballpoint
- 600 3-in-1 multi pen
- 600 4-in-1 multi pen
- Trio multi pen
- Tornado Elite
* Verified for this model family. One model is confirmed and the others use the same documented refill.
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 list 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.
Does the Schmidt 635 fit the Retro 51 Tornado?
Not the standard Tornado: Retro 51 says most Tornado pens use a rollerball refill, and the 635 is a D1 ballpoint refill.
Which Monteverde and Conklin pens does the Schmidt 635 fit?
These take a D1 refill: the Monteverde Original Tool Pen ballpoint and keychain ballpoint, Poquito Stylus, Illusia Diamond, Triangle and Square, and Quadro 4-in-1 Multifunction, and the Conklin Minigraph.
Does the Schmidt 635 fit the Lamy pico?
No. The Lamy pico takes Lamy's own M22 refill, which is not a D1 refill.
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) |
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