For process engineers
The table is a production record, not a sales range.
HDC636 — TiN-coated left-hand solid carbide drill
A real production series with 997 standard part numbers. The table below is taken from the geometry we have actually ground and shipped.

- Part numbers in series
- 997
- Diameter span
- 0.15–3.72 mm
- Coating
- TiN
What the catalogue commits to
Production capability
Min. diameter 0.15 mm
Typical application
Left-hand drilling for high-speed PCB and precision drilling equipment.
Part numbers in HDC636
997 part numbersFilter this series further
| Part no. | Description | D1 mm | Flute mm | Shank mm | OAL mm | Point | Geometry |
|---|---|---|---|---|---|---|---|
| HDC636-1985-01-01 | TiN-coated left-hand solid carbide drill | 1.985 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1990-01 | TiN-coated left-hand solid carbide drill | 1.99 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1993-01-01 | TiN-coated left-hand solid carbide drill | 1.993 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2000-01Repeat order | TiN-coated left-hand solid carbide drill | 2 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2000-01-02Repeat order | TiN-coated left-hand solid carbide drill | 2 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2010-01 | TiN-coated left-hand solid carbide drill | 2.01 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2015-01-01 | TiN-coated left-hand solid carbide drill | 2.015 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2020-01 | TiN-coated left-hand solid carbide drill | 2.02 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2030-01 | TiN-coated left-hand solid carbide drill | 2.03 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2040-01 | TiN-coated left-hand solid carbide drill | 2.04 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2050-01 | TiN-coated left-hand solid carbide drill | 2.05 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2050-01-03Repeat order | TiN-coated left-hand solid carbide drill | 2.05 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2060-01 | TiN-coated left-hand solid carbide drill | 2.06 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2070-01 | TiN-coated left-hand solid carbide drill | 2.07 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2080-01 | TiN-coated left-hand solid carbide drill | 2.08 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2080-01-01 | TiN-coated left-hand solid carbide drill | 2.08 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-2090-01-01 | TiN-coated left-hand solid carbide drill | 2.09 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-2090-01-02 | TiN-coated left-hand solid carbide drill | 2.09 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2095-01 | TiN-coated left-hand solid carbide drill | 2.095 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2095-01-02 | TiN-coated left-hand solid carbide drill | 2.095 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2100-01Repeat order | TiN-coated left-hand solid carbide drill | 2.1 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2100-01-03 | TiN-coated left-hand solid carbide drill | 2.1 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2105-01 | TiN-coated left-hand solid carbide drill | 2.105 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-2110-01Repeat order | TiN-coated left-hand solid carbide drill | 2.11 | 12 | 3.2 | 38 | 118° | 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.