Page 303 - Hartner

Micro-precision drills without oil feed

Order no. 87011

Standard DIN 1899
Tool material HSS-E
A special purpose drill with oversize shank for use in Surface
the instrument and clock making industries and for
general precision engineering. Specially designed for Type N
drilling high-alloyed steels.
Cutting direction right-hand
Point grinding Facet point
Point angle° 118
Web thinned ≥Ø
Tolerance 0/-0,004

Order no. 87016

Standard DIN 1899
Tool material HSS-E
A special purpose drill with oversize shank for use in Surface
the instrument and clock making industries and for
general precision engineering. Specially designed for Type N
drilling high-alloyed steels.
Cutting direction left-hand
Point grinding Facet point
Point angle° 118
Web thinned ≥Ø
Tolerance 0/-0,004

Order no. 84810

Standard DIN 1899
Tool material HSS-E
A special purpose drill with oversize shank for use in Surface T
the instrument and clock making industries and for
general precision engineering. Specially designed for Type N
drilling high-alloyed steels.
Cutting direction right-hand
Point grinding Facet point
Point angle° 118
Web thinned ≥Ø
Tolerance 0/-0,004

Order no. 89281

Standard Hartner std.
Tool material Solid carbide
Specially designed drill for drilling fiberglass Surface
reinforced plastics (i.e. printed circuit boards) and
other resin-based thermo-hardened products likely to Type N
cause rapid wear on the lands and cutting edges of
high speed steel drills. Cutting direction right-hand
Point grinding Facet point
Point angle° 130
Web thinned ≥Ø
Tolerance 0/-0,004

A TiAlN AlTiN nano A AlTiN TiCN F FIRE T TiN TiAlSiN

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