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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
HDCS626-0066Left-hand step solid carbide drill1.103———118°View full callout
HDCS626-0067Left-hand step solid carbide drill0.892———160°View full callout
HDCS626-0068Left-hand step solid carbide drill1.093———160°View full callout
HDCS626-0069Left-hand step solid carbide drill0.89———160°View full callout
HDCS626-0070Left-hand step solid carbide drill1.092———160°View full callout
HDCS626-0071Left-hand step solid carbide drill1.2———118°View full callout
HDCS626-0072Left-hand step solid carbide drill0.887———118°View full callout
HDCS626-0073Left-hand step solid carbide drill0.89———160°View full callout
HDCS626-0074Left-hand step solid carbide drill0.91———160°View full callout
HDCS626-0075Left-hand step solid carbide drill1.092———160°View full callout
HDCS626-0076Left-hand step solid carbide drill1.093———118°View full callout
HDCS626-0077Left-hand step solid carbide drill1.092———118°View full callout
HDCS626-0079Left-hand step solid carbide drill1.01———160°View full callout
HDCS626-0080Left-hand step solid carbide drill1.01———160°View full callout
HDCS626-0081Left-hand step solid carbide drill1.265———160°View full callout
HDCS626-0082Left-hand step solid carbide drill1.27———160°View full callout
HDCS626-0084Left-hand step solid carbide drill1.285———160°View full callout
HDCS626-0085Left-hand step solid carbide drill1.285———160°View full callout
HDCS626-0086Left-hand step solid carbide drill0.893———160°View full callout
HDCS626-0087Left-hand step solid carbide drill1.093———60°View full callout
HDCS626-0088Left-hand step solid carbide drill1.093———60°View full callout
HDCS626-0089Left-hand step solid carbide drill1.093———60°View full callout
HDCS626-0090Left-hand step solid carbide drill1.65———90°View full callout
HDCS626-0091Left-hand step solid carbide drill1.093———118°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.