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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.

Precision cutting-tool production line, general category reference
General reference illustration — not a photograph of a specific part number or product, and not plant documentation. Dimensions, not images, define a specification.
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

HDC636 standard part numbers
Part no.DescriptionD1
mm
Flute
mm
Shank
mm
OAL
mm
PointGeometry
HDC636-0320-01TiN-coated left-hand solid carbide drill0.3223.238118°Standard
HDC636-0320-01-01TiN-coated left-hand solid carbide drill0.322.53.238118°Standard
HDC636-0320-01-03TiN-coated left-hand solid carbide drill0.323.53.238118°Standard
HDC636-0330-01TiN-coated left-hand solid carbide drill0.333.53.238118°Standard
HDC636-0340-01TiN-coated left-hand solid carbide drill0.343.53.238118°Standard
HDC636-0345-01TiN-coated left-hand solid carbide drill0.34533.238118°Standard
HDC636-0350-01Repeat orderTiN-coated left-hand solid carbide drill0.353.53.238118°Standard
HDC636-0350-01-06Repeat orderTiN-coated left-hand solid carbide drill0.3523.238118°Standard
HDC636-0360-01TiN-coated left-hand solid carbide drill0.363.53.238118°Standard
HDC636-0370-01TiN-coated left-hand solid carbide drill0.373.53.238118°Standard
HDC636-0380-01-01TiN-coated left-hand solid carbide drill0.383.53.238118°Standard
HDC636-0390-01-TiN-coated left-hand solid carbide drill0.393.53.238118°Standard
HDC636-0395-01TiN-coated left-hand solid carbide drill0.39533.238118°Standard
HDC636-0400-01-03TiN-coated left-hand solid carbide drill0.42.53.238118°Standard
HDC636-0400-01-04Repeat orderTiN-coated left-hand solid carbide drill0.43.53.238118°Standard
HDC636-0405-01TiN-coated left-hand solid carbide drill0.4053.53.238118°Standard
HDC636-0410-01-01TiN-coated left-hand solid carbide drill0.413.53.238118°Standard
HDC636-0420-01TiN-coated left-hand solid carbide drill0.423.53.238118°Standard
HDC636-0430-01-01TiN-coated left-hand solid carbide drill0.433.53.238118°Standard
HDC636-0450-01TiN-coated left-hand solid carbide drill0.454.53.238118°Standard
HDC636-0460-01-02TiN-coated left-hand solid carbide drill0.463.53.238118°Standard
HDC636-0470-01TiN-coated left-hand solid carbide drill0.474.53.238118°Standard
HDC636-0480-01TiN-coated left-hand solid carbide drill0.482.33.238118°Standard
HDC636-0480-01-01TiN-coated left-hand solid carbide drill0.484.53.238118°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.