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CoroCut® 1-2

Versatile parting and grooving

With more than 700 standard inserts, CoroCut 1-2 covers all parting and grooving applications in most materials, from standardized grooves to parting off and profiling in heat resistant super alloys.

Cost efficiency with two edges

The two-edge inserts are firmly positioned in the railed insert seat giving cost-efficiency and stable performance.

Secure and efficient machining

In grooving, chips easily get stuck in the curved groove, leading to insert breakage. CoroCut 1-2 tools with precision coolant securely evacuate the chips for an undisrupted machining process.

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  • Rail insert seat (down to 4 mm insert width) ensures stable and precise insert position
  • Profiling inserts for high precision profiling operations
  • Wiper design for excellent surface finish
  • Neutral, right- and left hand style inserts with geometries dedicated for parting off
  • Inserts for hard part turning at high feed rates
  • Blanks for do-it-yourself grinding
  • Grooving inserts in many widths and with many corner radii
  • Tailor Made inserts and tools

Find your tool and buy


  • Parting, external grooving, face grooving, internal grooving, profiling and hard part turning
  • Roughing to finishing

In parting off and external grooving CoroCut® 1-2 is a cost-efficient solution to depths where the 2-edged inserts can be used.

  • Steel
  • Stainless steel
  • Cast iron
  • Non-ferrous metals
  • Heat resistant super alloys
  • Hardened materials

Product variants

Tool holding

  • Coromant Capto®, VDI, and HSK-T for connecting QS shanks and parting blades in turning centres
  • QS™ stops for connecting QS shanks and swiss tools, machine specific adaptors
  • Rectangular shanks and boring bars

Plug and play adaptors for easy coolant connection

CoroTurn SL blades

CoroTurn SL cutting blades enable a wide range of tool combinations from a small inventory of adaptors and cutting heads.

Insert geometries

  • Parting off: -CF; -CM; -CR; -CS
  • Grooving and side turning: -TF; -TM
  • Grooving: -GF;-GM; -GR
  • Profiling: -RO; -RM; -RE
  • WIPER: -CF; -TF
  • Hart part turning: -XB

Insert grades

  • PVD: GC1105; GC1125; GC1145
  • CVD: GC1135; GC4325; S05F; CG3115
  • CBN: CB7015, CB7025, CB7105 and CB7115
  • PCD: CD10
  • Uncoated: H13A; H10F

Tailor Made

Tailor Made option available

Stable insert position

Inside the tools sits an extremely rigid spring clamping mechanism which ensure a stable and precise insert position. This in turn, allows for increased feed rate

See the comparison between spring clamping and screw clamping here.



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Hard part turning with CoroCut 1-2

The new –XB geometry for hard part turning can operate at very high feed rates, up to 1.2 mm/rev (0.047 in/rev) without compromising surface finish.

Access with angled inserts

Angled inserts are perfectly formed for those difficult-to-access grooves in e.g. the turbine disc eliminating the need for special tools.

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Seal fin grooving

Generating small radii profiles with correct profile width puts high demands on a robust tooling solution. CoroCut 1-2 for seal fin grooving is available in insert width 1.5 and 2 mm (0.059 and 0.079 inch).

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