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HDCS626 — Left-hand step solid carbide drill

A real production series with 172 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
172
Diameter span
0.58–2.3 mm
Coating
Uncoated

Part numbers in HDCS626

HDCS626 standard part numbers
Part no.DescriptionD1
mm
Flute
mm
Shank
mm
OAL
mm
PointGeometry
HDCS626-0123Left-hand step solid carbide drill0.6———130°View full callout
HDCS626-0124Left-hand step solid carbide drill0.888———160°View full callout
HDCS626-0125Left-hand step solid carbide drill1.292———160°View full callout
HDCS626-0127Left-hand step solid carbide drill0.9———118°View full callout
HDCS626-0128Left-hand step solid carbide drill1.26———120°View full callout
HDCS626-0129Left-hand step solid carbide drill1.455———160°View full callout
HDCS626-0130Left-hand step solid carbide drill1.45———118°View full callout
HDCS626-0131Left-hand step solid carbide drill1.095———118°View full callout
HDCS626-0133Left-hand step solid carbide drill1.3———118°View full callout
HDCS626-0136Left-hand step solid carbide drill0.895———160°View full callout
HDCS626-0139Left-hand step solid carbide drill0.87———160°View full callout
HDCS626-0140Left-hand step solid carbide drill0.88———160°View full callout
HDCS626-0142Left-hand step solid carbide drill1.29———118°View full callout
HDCS626-0143Left-hand step solid carbide drill1.095———55°View full callout
HDCS626-0146Left-hand step solid carbide drill0.893———160°View full callout
HDCS626-0147Left-hand step solid carbide drill1.275———120°View full callout
HDCS626-0150Left-hand step solid carbide drill1.51———118°View full callout
HDCS626-0151Left-hand step solid carbide drill1.505———118°View full callout
HDCS626-0152Left-hand step solid carbide drill1.085———45°View full callout
HDCS626-0153Left-hand step solid carbide drill1.275———120°View full callout
HDCS626-0155Left-hand step solid carbide drill0.67———120°View full callout
HDCS626-0157Left-hand step solid carbide drill0.89———160°View full callout
HDCS626-0160Left-hand step solid carbide drill0.875———160°View full callout
HDCS626-0164Left-hand step solid carbide drill1.083———160°View full callout
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.