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 |
|---|---|---|---|---|---|---|---|
| HDC636-1525-01-01 | TiN-coated left-hand solid carbide drill | 1.525 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1530-01Repeat order | TiN-coated left-hand solid carbide drill | 1.53 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1530-01-01 | TiN-coated left-hand solid carbide drill | 1.53 | 6 | 3.2 | 38 | 160° | Standard |
| HDC636-1540-01-01Repeat order | TiN-coated left-hand solid carbide drill | 1.54 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1550-01Repeat order | TiN-coated left-hand solid carbide drill | 1.55 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1550-01-02 | TiN-coated left-hand solid carbide drill | 1.55 | 8 | 3.2 | 38 | 140° | Standard |
| HDC636-1560-01 | TiN-coated left-hand solid carbide drill | 1.56 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1565-01 | TiN-coated left-hand solid carbide drill | 1.565 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1570-01Repeat order | TiN-coated left-hand solid carbide drill | 1.57 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1575-01-01 | TiN-coated left-hand solid carbide drill | 1.575 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1580-01 | TiN-coated left-hand solid carbide drill | 1.58 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1582-01 | TiN-coated left-hand solid carbide drill | 1.582 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1584-01-01 | TiN-coated left-hand solid carbide drill | 1.584 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1590-01 | TiN-coated left-hand solid carbide drill | 1.59 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1600-01Repeat order | TiN-coated left-hand solid carbide drill | 1.6 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1605-01 | TiN-coated left-hand solid carbide drill | 1.605 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1610-01 | TiN-coated left-hand solid carbide drill | 1.61 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1615-01 | TiN-coated left-hand solid carbide drill | 1.615 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1620-01Repeat order | TiN-coated left-hand solid carbide drill | 1.62 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1625-01-01 | TiN-coated left-hand solid carbide drill | 1.625 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1630-01 | TiN-coated left-hand solid carbide drill | 1.63 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1640-01Repeat order | TiN-coated left-hand solid carbide drill | 1.64 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1650-01Repeat order | TiN-coated left-hand solid carbide drill | 1.65 | 8 | 3.2 | 38 | 118° | Standard |
| HDC636-1660-01 | TiN-coated left-hand solid carbide drill | 1.66 | 8 | 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.