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 |
|---|---|---|---|---|---|---|---|
| HDC636-1825-01-02Repeat order | TiN-coated left-hand solid carbide drill | 1.825 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1825-01-03 | TiN-coated left-hand solid carbide drill | 1.825 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1830-01Repeat order | TiN-coated left-hand solid carbide drill | 1.83 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1830-01-02High-runner | TiN-coated left-hand solid carbide drill | 1.83 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1830-01-04 | TiN-coated left-hand solid carbide drill | 1.83 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1830-01-05 | TiN-coated left-hand solid carbide drill | 1.83 | 12 | 3.2 | 38 | 155° | Standard |
| HDC636-1830-01-06 | TiN-coated left-hand solid carbide drill | 1.83 | 20 | 4 | 50 | 118° | Standard |
| HDC636-1830-01-07 | TiN-coated left-hand solid carbide drill | 1.83 | 12 | 3.2 | 38 | 150° | Standard |
| HDC636-1832-01-01 | TiN-coated left-hand solid carbide drill | 1.832 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1833-01Repeat order | TiN-coated left-hand solid carbide drill | 1.833 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1834-01 | TiN-coated left-hand solid carbide drill | 1.834 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1835-01Repeat order | TiN-coated left-hand solid carbide drill | 1.835 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1835-01-03 | TiN-coated left-hand solid carbide drill | 1.835 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1837-01 | TiN-coated left-hand solid carbide drill | 1.837 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1840-01High-runner | TiN-coated left-hand solid carbide drill | 1.84 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1840-01-02Repeat order | TiN-coated left-hand solid carbide drill | 1.84 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1840-01-03Repeat order | TiN-coated left-hand solid carbide drill | 1.84 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1840-01-04 | TiN-coated left-hand solid carbide drill | 1.84 | 12 | 3.2 | 38 | 155° | Standard |
| HDC636-1840-01-06 | TiN-coated left-hand solid carbide drill | 1.84 | 12 | 3.2 | 38 | 150° | Standard |
| HDC636-1843-01-01 | TiN-coated left-hand solid carbide drill | 1.843 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1845-01Repeat order | TiN-coated left-hand solid carbide drill | 1.845 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-1845-01-02 | TiN-coated left-hand solid carbide drill | 1.845 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1845-01-03High-runner | TiN-coated left-hand solid carbide drill | 1.845 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-1845-01-04 | TiN-coated left-hand solid carbide drill | 1.845 | 12 | 3.2 | 38 | 155° | 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.