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 |
|---|---|---|---|---|---|---|---|
| HDC636-1885-01 | TiN-coated left-hand solid carbide drill | 1.885 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1890-01 | TiN-coated left-hand solid carbide drill | 1.89 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-1890-01-02Repeat order | TiN-coated left-hand solid carbide drill | 1.89 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1891-01-01 | TiN-coated left-hand solid carbide drill | 1.891 | 8 | 3.2 | 38 | 160° | Standard |
| HDC636-1895-01 | TiN-coated left-hand solid carbide drill | 1.895 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1895-01-03 | TiN-coated left-hand solid carbide drill | 1.895 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1900-01 | TiN-coated left-hand solid carbide drill | 1.9 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-1900-01-02Repeat order | TiN-coated left-hand solid carbide drill | 1.9 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1901-01 | TiN-coated left-hand solid carbide drill | 1.901 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1902-01 | TiN-coated left-hand solid carbide drill | 1.902 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1903-01-01 | TiN-coated left-hand solid carbide drill | 1.903 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1903-01-02 | TiN-coated left-hand solid carbide drill | 1.903 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1905-01-01 | TiN-coated left-hand solid carbide drill | 1.905 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1907-01-01 | TiN-coated left-hand solid carbide drill | 1.907 | 12 | 3.2 | 38 | 138° | Standard |
| HDC636-1910-01Repeat order | TiN-coated left-hand solid carbide drill | 1.91 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1915-01-01 | TiN-coated left-hand solid carbide drill | 1.915 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1920-01 | TiN-coated left-hand solid carbide drill | 1.92 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1930-01 | TiN-coated left-hand solid carbide drill | 1.93 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1940-01 | TiN-coated left-hand solid carbide drill | 1.94 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1950-01Repeat order | TiN-coated left-hand solid carbide drill | 1.95 | 10 | 3.2 | 38 | 118° | Standard |
| HDC636-1950-01-01 | TiN-coated left-hand solid carbide drill | 1.95 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1960-01 | TiN-coated left-hand solid carbide drill | 1.96 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1970-01 | TiN-coated left-hand solid carbide drill | 1.97 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1980-01 | TiN-coated left-hand solid carbide drill | 1.98 | 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.