The most reliable system for parting off
View and download handling instructions:
View and download handling instructions:
For multi-task machines, tool length is usually measured on an optical device outside the machine.
Tool length is usually measured with a probe inside the machine when parting off in turning centres.
View how to set up the shank tool in a sliding head machine.
There are a number of tips that when followed will radically improve tool life when parting off.
Take an in-depth look at CoroCut® QD in this comprehensive film.
Learn more about how to part off and machine deep grooves without compromising process security or machining efficiency.
Get a deeper insight into the significant advantages of effective coolant delivery and how to get the most out of your parting and grooving operations.
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Material type | ISO Material group |
Parting tubes |
Parting bars, good conditions |
Parting bars, difficult conditions |
Light intermittence |
Severe intermittence |
Alloy steel | P | GC4425 -CF | GC4425 -CM | GCC1135 -CR | GC1135 -CM | GC1135 -CR |
Low carbon steel | P | GC1125 -CL | GC1125 -CL | GC1135 -CR | GC1135 -CM | GC1135 -CR |
Stainless steel | M | GC1125 -CM | GC1125 -CM | GC1135 -CM | GC1145 -CM | GC1145 -CM |
Cast iron | K | GC4425 -CM | GC4425 -CM | GC1135 -CR | GC1135 -CR | GC1135 -CR |
Non ferrous metals | N | H13A -CO | H13A -CO | H13A -CM | H13A -CM | H13A -CM |
HRSA and Titanium | S | GC1105 -CO | GC1105 -CO | GC1145 -CM | GC1145 -CM | GC1145 -CM |
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Material type | ISO Material group |
Grooving |
Turning wider grooves |
Profiling |
Y-axis parting |
Alloy steel | P | GC4425 -CR | GC1125 -TF | GC4335 -RM | GC4425 -CH |
Low carbon steel | P | GC4425 -CL | GC1125 -TM | GC1125 -RM | GC1225 -CH |
Stainless steel | M | GC1135 -TF | GC1135 -TF | GC1135 -RM | GC1135 -CH |
Cast iron | K | GC4425 -CR | GC1125 -TM | GC4335 -RM | GC4425 -CH |
Non ferrous metals | N | H13A -TF | H13A -TF | GC1125 -RM | H13A -CH |
HRSA and Titanium | S | GC1105 -TF | GC1105 -TF | GC1125 -RM | GC1105 -CO |
For inserts and geometries recommendations, see
Parting and grooving inserts and grades page.
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