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 |
|---|---|---|---|---|---|---|---|
| HDC636-0490-01-01 | TiN-coated left-hand solid carbide drill | 0.49 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0495-01-01 | TiN-coated left-hand solid carbide drill | 0.495 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0500-01-02 | TiN-coated left-hand solid carbide drill | 0.5 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0500-01-03Repeat order | TiN-coated left-hand solid carbide drill | 0.5 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0500-01-04 | TiN-coated left-hand solid carbide drill | 0.5 | 2 | 3.2 | 38 | 118° | Standard |
| HDC636-0500-01-05 | TiN-coated left-hand solid carbide drill | 0.5 | 2.8 | 3.2 | 38 | 118° | Standard |
| HDC636-0500-01-07 | TiN-coated left-hand solid carbide drill | 0.5 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-0505-01 | TiN-coated left-hand solid carbide drill | 0.505 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0510-01-02 | TiN-coated left-hand solid carbide drill | 0.51 | 3.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0520-01 | TiN-coated left-hand solid carbide drill | 0.52 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0520-01-02 | TiN-coated left-hand solid carbide drill | 0.52 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0530-01 | TiN-coated left-hand solid carbide drill | 0.53 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0540-01-01 | TiN-coated left-hand solid carbide drill | 0.54 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0540-01-02 | TiN-coated left-hand solid carbide drill | 0.54 | 4.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0550-01 | TiN-coated left-hand solid carbide drill | 0.55 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0550-01-04 | TiN-coated left-hand solid carbide drill | 0.55 | 6 | 3.2 | 38 | 118° | Standard |
| HDC636-0560-01 | TiN-coated left-hand solid carbide drill | 0.56 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-0570-01 | TiN-coated left-hand solid carbide drill | 0.57 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0570-04-01 | Black-coated left-hand solid carbide drill | 0.57 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0580-01 | TiN-coated left-hand solid carbide drill | 0.58 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0580-01-03 | TiN-coated left-hand solid carbide drill | 0.58 | 5 | 3.2 | 38 | 118° | Standard |
| HDC636-0580-01-04 | TiN-coated left-hand solid carbide drill | 0.58 | 9 | 3.2 | 38 | 118° | Standard |
| HDC636-0580-01-05 | TiN-coated left-hand solid carbide drill | 0.58 | 2 | 3.2 | 38 | 118° | Standard |
| HDC636-0580-04 | Black-coated left-hand solid carbide drill | 0.58 | 3.8 | 3 | 38 | 120° | 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.