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 |
|---|---|---|---|---|---|---|---|
| HDC636-0320-01 | TiN-coated left-hand solid carbide drill | 0.32 | 2 | 3.2 | 38 | 118° | Standard |
| HDC636-0320-01-01 | TiN-coated left-hand solid carbide drill | 0.32 | 2.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0320-01-03 | TiN-coated left-hand solid carbide drill | 0.32 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0330-01 | TiN-coated left-hand solid carbide drill | 0.33 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0340-01 | TiN-coated left-hand solid carbide drill | 0.34 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0345-01 | TiN-coated left-hand solid carbide drill | 0.345 | 3 | 3.2 | 38 | 118° | Standard |
| HDC636-0350-01Repeat order | TiN-coated left-hand solid carbide drill | 0.35 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0350-01-06Repeat order | TiN-coated left-hand solid carbide drill | 0.35 | 2 | 3.2 | 38 | 118° | Standard |
| HDC636-0360-01 | TiN-coated left-hand solid carbide drill | 0.36 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0370-01 | TiN-coated left-hand solid carbide drill | 0.37 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0380-01-01 | TiN-coated left-hand solid carbide drill | 0.38 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0390-01- | TiN-coated left-hand solid carbide drill | 0.39 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0395-01 | TiN-coated left-hand solid carbide drill | 0.395 | 3 | 3.2 | 38 | 118° | Standard |
| HDC636-0400-01-03 | TiN-coated left-hand solid carbide drill | 0.4 | 2.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0400-01-04Repeat order | TiN-coated left-hand solid carbide drill | 0.4 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0405-01 | TiN-coated left-hand solid carbide drill | 0.405 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0410-01-01 | TiN-coated left-hand solid carbide drill | 0.41 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0420-01 | TiN-coated left-hand solid carbide drill | 0.42 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0430-01-01 | TiN-coated left-hand solid carbide drill | 0.43 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0450-01 | TiN-coated left-hand solid carbide drill | 0.45 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0460-01-02 | TiN-coated left-hand solid carbide drill | 0.46 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0470-01 | TiN-coated left-hand solid carbide drill | 0.47 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0480-01 | TiN-coated left-hand solid carbide drill | 0.48 | 2.3 | 3.2 | 38 | 118° | Standard |
| HDC636-0480-01-01 | TiN-coated left-hand solid carbide drill | 0.48 | 4.5 | 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.