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-2630-04-02 | Black-coated extended-length solid carbide drill | 2.63 | 30 | 3 | 60 | — | Standard |
| DC426L-2640-04-01 | Black-coated extended-length solid carbide drill | 2.64 | 25 | 3 | 60 | — | Standard |
| DC426L-2650-03-01 | Bronze-coated extended-length solid carbide drill | 2.65 | 25 | 3 | 60 | — | Standard |
| DC426L-2650-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.65 | 25 | 3 | 60 | — | Standard |
| DC426L-2660-04-01 | Black-coated extended-length solid carbide drill | 2.66 | 25 | 3 | 60 | — | Standard |
| DC426L-2670-04-01 | Black-coated extended-length solid carbide drill | 2.67 | 25 | 3 | 60 | — | Standard |
| DC426L-2680-04-01 | Black-coated extended-length solid carbide drill | 2.68 | 25 | 3 | 60 | — | Standard |
| DC426L-2690-04-01 | Black-coated extended-length solid carbide drill | 2.69 | 25 | 3 | 60 | — | Standard |
| DC426L-2700-03-01 | Bronze-coated extended-length solid carbide drill (YZ variant) | 2.7 | 25 | 3 | 60 | — | Standard |
| DC426L-2700-04-01Repeat order | Black-coated extended-length solid carbide drill (YZ variant) | 2.7 | 25 | 3 | 60 | — | Standard |
| DC426L-2700-04-04 | Black-coated extended-length solid carbide drill (YZ variant) | 2.7 | 25 | 3 | 60 | — | Standard |
| DC426L-2710-04-01 | Black-coated extended-length solid carbide drill | 2.71 | 25 | 3 | 60 | — | Standard |
| DC426L-2720-04-01 | Black-coated extended-length solid carbide drill | 2.72 | 25 | 3 | 60 | — | Standard |
| DC426L-2730-04-01 | Black-coated extended-length solid carbide drill | 2.73 | 25 | 3 | 60 | — | Standard |
| DC426L-2740-04-01 | Black-coated extended-length solid carbide drill | 2.74 | 25 | 3 | 60 | — | Standard |
| DC426L-2750-04-01Repeat order | Black-coated extended-length solid carbide drill (YZ variant) | 2.75 | 25 | 3 | 60 | — | Standard |
| DC426L-2750-04-02 | Black-coated extended-length solid carbide drill | 2.75 | 14 | 3 | 38 | — | Standard |
| DC426L-2760-04-01 | Black-coated extended-length solid carbide drill | 2.76 | 25 | 3 | 60 | — | Standard |
| DC426L-2770-04-01 | Black-coated extended-length solid carbide drill | 2.77 | 25 | 3 | 60 | — | Standard |
| DC426L-2780-04-01Repeat order | Black-coated extended-length solid carbide drill | 2.78 | 25 | 3 | 60 | — | Standard |
| DC426L-2790-04-01 | Black-coated extended-length solid carbide drill | 2.79 | 25 | 3 | 60 | — | Standard |
| DC426L-2800-03-01 | Bronze-coated extended-length solid carbide drill | 2.8 | 25 | 3 | 60 | — | Standard |
| DC426L-2800-03-02 | Bronze-coated extended-length solid carbide drill | 2.8 | 30 | 3 | 60 | — | Standard |
| DC426L-2800-04-01Repeat order | Black-coated extended-length solid carbide drill (YZ variant) | 2.8 | 25 | 3 | 60 | — | 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.