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 |
|---|---|---|---|---|---|---|---|
| HDC636-0877-01-01 | TiN-coated left-hand solid carbide drill | 0.877 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-0878-01 | TiN-coated left-hand solid carbide drill | 0.878 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0880-01 | TiN-coated left-hand solid carbide drill | 0.88 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0880-01-02Repeat order | TiN-coated left-hand solid carbide drill | 0.88 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0880-01-03 | TiN-coated left-hand solid carbide drill | 0.88 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-0880-01-04 | TiN-coated left-hand solid carbide drill | 0.88 | 5 | 3.2 | 38 | 160° | Standard |
| HDC636-0880-01-06 | TiN-coated left-hand solid carbide drill | 0.88 | 6.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0881-01-01 | TiN-coated left-hand solid carbide drill | 0.881 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-0882-01-01Repeat order | TiN-coated left-hand solid carbide drill | 0.882 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-0883-01- | TiN-coated left-hand solid carbide drill | 0.883 | 6.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0883-01-02Repeat order | TiN-coated left-hand solid carbide drill | 0.883 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0883-01-03 | TiN-coated left-hand solid carbide drill | 0.883 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0883-01-04 | TiN-coated left-hand solid carbide drill | 0.883 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-0883-01-05 | TiN-coated left-hand solid carbide drill | 0.883 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-0884-01-01 | TiN-coated left-hand solid carbide drill | 0.884 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-0884-01-02 | TiN-coated left-hand solid carbide drill | 0.884 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-0885-01Repeat order | TiN-coated left-hand solid carbide drill | 0.885 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0885-01-02Repeat order | TiN-coated left-hand solid carbide drill | 0.885 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0885-01-03 | TiN-coated left-hand solid carbide drill | 0.885 | 5 | 3.2 | 38 | 160° | Standard |
| HDC636-0885-01-04 | TiN-coated left-hand solid carbide drill | 0.885 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-0886-01-02 | TiN-coated left-hand solid carbide drill | 0.886 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0886-01-03 | TiN-coated left-hand solid carbide drill | 0.886 | 5 | 3.2 | 38 | 160° | Standard |
| HDC636-0887-01Repeat order | TiN-coated left-hand solid carbide drill | 0.887 | 5 | 3.2 | 38 | 160° | Standard |
| HDC636-0887-01-02Repeat order | TiN-coated left-hand solid carbide drill | 0.887 | 5 | 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.