For process engineers
The table is a production record, not a sales range.
DC426L — Black-coated extended-length solid carbide drill
A real production series with 846 standard part numbers. The table below is taken from the geometry we have actually ground and shipped.

- Part numbers in series
- 846
- Diameter span
- 0.04–3 mm
- Coating
- Black
What the catalogue commits to
Production capability
Min. diameter 0.10 mm
Catalogue reference
2026–2027 product catalogue, printed page P28. The full EDP table is available on request as a PDF.
Typical application
Deep-hole drilling in steel and high-temperature alloys.
Part numbers in DC426L
846 part numbersFilter this series further
| Part no. | Description | D1 mm | Flute mm | Shank mm | OAL mm | Point | Geometry |
|---|---|---|---|---|---|---|---|
| DC426L-2310-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.31 | 25 | 3 | 60 | — | Standard |
| DC426L-2320-04-01 | Black-coated extended-length solid carbide drill | 2.32 | 25 | 3 | 60 | — | Standard |
| DC426L-2330-04-01 | Black-coated extended-length solid carbide drill (YZ variant) | 2.33 | 25 | 3 | 60 | — | Standard |
| DC426L-2340-04-01 | Black-coated extended-length solid carbide drill | 2.34 | 25 | 3 | 60 | — | Standard |
| DC426L-2350-03-01 | Bronze-coated extended-length solid carbide drill | 2.35 | 25 | 3 | 60 | — | Standard |
| DC426L-2350-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.35 | 25 | 3 | 60 | — | Standard |
| DC426L-2360-04-01 | Black-coated extended-length solid carbide drill | 2.36 | 25 | 3 | 60 | — | Standard |
| DC426L-2370-04-01 | Black-coated extended-length solid carbide drill | 2.37 | 25 | 3 | 60 | — | Standard |
| DC426L-2370-04-02 | Black-coated extended-length solid carbide drill | 2.37 | 15 | 3 | 45 | — | Standard |
| DC426L-2380-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.38 | 25 | 3 | 60 | — | Standard |
| DC426L-2390-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.39 | 25 | 3 | 60 | — | Standard |
| DC426L-2400-03-01Repeat order | Bronze-coated extended-length solid carbide drill | 2.4 | 25 | 3 | 60 | — | Standard |
| DC426L-2400-04-01Repeat order | Black-coated extended-length solid carbide drill (YZ variant) | 2.4 | 25 | 3 | 60 | — | Standard |
| DC426L-2400-04-02 | Black-coated extended-length solid carbide drill | 2.4 | — | — | — | — | View full callout |
| DC426L-2400-04-03 | Black-coated extended-length solid carbide drill | 2.4 | 20 | 3 | 50 | 140° | Standard |
| DC426L-2400-04-07 | Black-coated extended-length solid carbide drill | 2.4 | — | — | — | 120° | View full callout |
| DC426L-2400-04-08 | Black-coated extended-length solid carbide drill | 2.4 | — | — | — | 150° | View full callout |
| DC426L-2400-04-10 | Black-coated extended-length solid carbide drill | 2.4 | 33 | 3 | 60 | — | Standard |
| DC426L-2410-04-01 | Black-coated extended-length solid carbide drill | 2.41 | 25 | 3 | 60 | — | Standard |
| DC426L-2420-04-01 | Black-coated extended-length solid carbide drill | 2.42 | 25 | 3 | 60 | — | Standard |
| DC426L-2430-04-01 | Black-coated extended-length solid carbide drill | 2.43 | 25 | 3 | 60 | — | Standard |
| DC426L-2440-04-01 | Black-coated extended-length solid carbide drill | 2.44 | 25 | 3 | 60 | — | Standard |
| DC426L-2450-03-01Repeat order | Bronze-coated extended-length solid carbide drill | 2.45 | 25 | 3 | 60 | — | Standard |
| DC426L-2450-03-02 | Bronze-coated extended-length solid carbide drill | 2.45 | 22 | 3 | 50 | — | Standard |
How to read a part number. The prefix is the series, the four digits after the first dash encode the cutting diameter in thousandths of a millimetre (for example 1000 is 1.000 mm), and any trailing digits identify the flute or variant. The full geometry is written as D1 × flute length × shank × overall length.