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 |
|---|---|---|---|---|---|---|---|
| HDC636-2115-01-01 | TiN-coated left-hand solid carbide drill | 2.115 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2120-01Repeat order | TiN-coated left-hand solid carbide drill | 2.12 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2126-01 | TiN-coated left-hand solid carbide drill | 2.126 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2130-01 | TiN-coated left-hand solid carbide drill | 2.13 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2140-01 | TiN-coated left-hand solid carbide drill | 2.14 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2150-01 | TiN-coated left-hand solid carbide drill | 2.15 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2160-01 | TiN-coated left-hand solid carbide drill | 2.16 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2170-01 | TiN-coated left-hand solid carbide drill | 2.17 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2180-01 | TiN-coated left-hand solid carbide drill | 2.18 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2188-01 | TiN-coated left-hand solid carbide drill | 2.188 | — | — | — | 118° | View full callout |
| HDC636-2190-01Repeat order | TiN-coated left-hand solid carbide drill | 2.19 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2200-01Repeat order | TiN-coated left-hand solid carbide drill | 2.2 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2205-01 | TiN-coated left-hand solid carbide drill | 2.205 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2208-01 | TiN-coated left-hand solid carbide drill | 2.208 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2210-01 | TiN-coated left-hand solid carbide drill | 2.21 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2210-01-02Repeat order | TiN-coated left-hand solid carbide drill | 2.21 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2220-01 | TiN-coated left-hand solid carbide drill | 2.22 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2230-01 | TiN-coated left-hand solid carbide drill | 2.23 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2230-01-02 | TiN-coated left-hand solid carbide drill | 2.23 | 12 | 3.2 | 38 | 165° | Standard |
| HDC636-2230-01-03 | TiN-coated left-hand solid carbide drill | 2.23 | 12 | 3.2 | 38 | 160° | Standard |
| HDC636-2235-01 | TiN-coated left-hand solid carbide drill | 2.235 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2240-01 | TiN-coated left-hand solid carbide drill | 2.24 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2250-01Repeat order | TiN-coated left-hand solid carbide drill | 2.25 | 12 | 3.2 | 38 | 118° | Standard |
| HDC636-2250-01-02 | TiN-coated left-hand solid carbide drill | 2.25 | 10 | 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.