CHRISTEN machine tools are synonymous with engineering
excellence and quality. The CHRISTEN drill grinders have
long been the benchmark for the industry. We are able to
supply both new and reconditioned machines to suit your
requirements.
Drills & step tools
The Christen 1-32 drill grinder.
CHRISTEN 1-32
With capacity from 1 mm up to 32 mm the 1-32
machine offerers unrivalled versatility in being
able to produce standard radial relief points, 4-
facet and split point geometries as well as being
able to web thin in various forms.
Both HSS and Carbide drills can be sharpened
and the machine will also grind the lead on
various types of taps.
Step drills with or without pilot relief can be
ground, the former requiring additional
equipment which allows the spiral to be
generated on the relieving operation.
Countersink tools, spade drills and other special
tools can all be ground on this machine.
SPECIFICATION
Grinding range 1 - 32 mm
0.04 - 1.25 "
Infinitely variable clamping range
Radial relief
Double angle points
4-facet and split points
6-facet grinding
Point thinning
Indexing operation for multi-flute tools
Pilot relieving attachment available
Rapid operation
Quick wheel changing
Optical setting available
Optical measuring available
Christen 03-10
The bench mounted 05-10 machine offers 4-facet
point grinding of drills from 0.3 to 6.35 mm as
standard with the option of increasing capacity
to 10 mm.
A web thinning attachment is available which
allows various form of web thinning and point
correction as well as split pointing.
The machine will grind both HSS and Carbide
with suitable wheels.
The Christen 05-10 drill grinder
SPECIFICATION
Grinding range (standard) 0.3 mm - 6.35 mm
with additional equipment up to 10 mm.
4-facet grinding as standard.
Web thinning attachment available for point
thinning and point correction.

CHRISTEN AU-150
A most versatile tool and cutter grinder offering
infinitely variable, finger free, spiral control for
both right and left hand helix. ISO 40 workhead
with collet capacity to 36 mm.
A very wide range of standard and special tools
can be accurately ground on this machine with
the availability of optical measuring for checking
without removal from the collet.
Both HSS and Carbide tools can be ground
using suitable wheels and the quick change
wheel arbors keep set up times to an absolute
minimum.

SPECIFICATION
ISO 40 taper in head
Collet system 0.5 mm to 36 mm
Infinitely vatiable spiral
Left and right hand helix
Rapid semi-automatic index flute to flute.
Chamfer grinding
Taper grinding attachment available.
Quick change wheel arbors.