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 |
|---|---|---|---|---|---|---|---|
| HDC636-1073-01 | TiN-coated left-hand solid carbide drill | 1.073 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1073-01-01 | TiN-coated left-hand solid carbide drill | 1.073 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1075-01Repeat order | TiN-coated left-hand solid carbide drill | 1.075 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1075-01-04 | TiN-coated left-hand solid carbide drill | 1.075 | — | — | — | 150° | View full callout |
| HDC636-1077-01-02 | TiN-coated left-hand solid carbide drill | 1.077 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1078-01 | TiN-coated left-hand solid carbide drill | 1.078 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1078-01-02 | TiN-coated left-hand solid carbide drill | 1.078 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1078-01-03 | TiN-coated left-hand solid carbide drill | 1.078 | 5.5 | 3.2 | 38 | 150° | Standard |
| HDC636-1080-01Repeat order | TiN-coated left-hand solid carbide drill | 1.08 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1080-01-02Repeat order | TiN-coated left-hand solid carbide drill | 1.08 | 5.5 | 3.2 | 38 | 150° | Standard |
| HDC636-1080-01-04 | TiN-coated left-hand solid carbide drill | 1.08 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1080-01-05 | TiN-coated left-hand solid carbide drill | 1.08 | 5.5 | 3.2 | 38 | 140° | Standard |
| HDC636-1081-01-02 | TiN-coated left-hand solid carbide drill | 1.081 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1082-01 | TiN-coated left-hand solid carbide drill | 1.082 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1082-01-01 | TiN-coated left-hand solid carbide drill | 1.082 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1083-01Repeat order | TiN-coated left-hand solid carbide drill | 1.083 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1083-01-02 | TiN-coated left-hand solid carbide drill | 1.083 | 5 | 3.2 | 38 | 160° | Standard |
| HDC636-1083-01-03 | TiN-coated left-hand solid carbide drill | 1.083 | 5 | 3.2 | 38 | 150° | Standard |
| HDC636-1084-01-03 | TiN-coated left-hand solid carbide drill | 1.084 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1085-01 | TiN-coated left-hand solid carbide drill | 1.085 | 5.5 | 3.2 | 38 | 160° | Standard |
| HDC636-1085-01-03 | TiN-coated left-hand solid carbide drill | 1.085 | 5.5 | 3.2 | 38 | 150° | Standard |
| HDC636-1085-01-04Repeat order | TiN-coated left-hand solid carbide drill | 1.085 | 5.5 | 3.2 | 38 | 118° | Standard |
| HDC636-1085-01-05 | TiN-coated left-hand solid carbide drill | 1.085 | 5.5 | 3 | 38 | 118° | Standard |
| HDC636-1085-01-07 | TiN-coated left-hand solid carbide drill | 1.085 | 6.5 | 3.2 | 38 | 162° | 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.