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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
HDCS626-0165Left-hand step solid carbide drill0.893———160°View full callout
HDCS626-0166Left-hand step solid carbide drill0.87———160°View full callout
HDCS626-0167Left-hand step solid carbide drill0.89———118°View full callout
HDCS626-0168Left-hand step solid carbide drill1.295———118°View full callout
HDCS626-0169Left-hand step solid carbide drill0.88———118°View full callout
HDCS626-0170Left-hand step solid carbide drill0.89———160°View full callout
HDCS626-0171Left-hand step solid carbide drill1.45———160°View full callout
HDCS626-0172Left-hand step solid carbide drill1.078———118°View full callout
HDCS626-0174Left-hand step solid carbide drill0.898———160°View full callout
HDCS626-0175Left-hand step solid carbide drill0.67———118°View full callout
HDCS626-0177Left-hand step solid carbide drill0.885———118°View full callout
HDCS626-0178Left-hand step solid carbide drill0.883———118°View full callout
HDCS626-0179Left-hand step solid carbide drill2.2———120°View full callout
HDCS626-0180Left-hand step solid carbide drill1.088———118°View full callout
HDCS626-0183Left-hand step solid carbide drill1.088———118°View full callout
HDCS626-0184Left-hand step solid carbide drill1.088———118°View full callout
HDCS626-0187Left-hand step solid carbide drill1.089———118°View full callout
HDCS626-0188Left-hand step solid carbide drill1.092———60°View full callout
HDCS626-0189Left-hand step solid carbide drill1.095———60°View full callout
HDCS626-0193Left-hand step solid carbide drill0.893———60°View full callout
HDCS626-0195Left-hand step solid carbide drill0.89———160°View full callout
HDCS626-0196Left-hand step solid carbide drill1.09———118°View full callout
HDCS626-0197Left-hand step solid carbide drill1.093———160°View full callout
HDCS626-0199Left-hand step solid carbide drill1.093———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.