Precision cut-off tools for accurate grooving and part-off operations
Cut-off tools are narrow holder systems for lathes designed to produce precise grooves and part-offs, offering reliable control when machining steels and other workpiece materials where clean separation is essential. They serve as either solid clamp-style holders or flat tool blades fitted with indexable carbide inserts, and when equipped with internal coolant channels they deliver high-pressure coolant directly to the insert to control heat and evacuate chips efficiently. Using these tools reduces the risk of chip jamming, surface damage and sudden tool failure while improving repeatability, particularly in deep grooving and tough materials where external coolant is insufficient. Key advantages include enhanced cutting stability, extended insert life and consistent part quality through optimised chip evacuation and thermal management.
4C-L (80-110) Groving Holder for Korloy MGM 4 inserts - Teknik Makina
Technical Data: Order Number: D810TM Item: Groving Holder usable with MGM 4 Indexable Inserts the Hersteller's Korloy Brand: Teknik Makina ISO Code: 2525 4C-L (80-110) Structural Details: Diameter: 80mm Weight: 0.7kg Total length: 150mm Cutting Height: 45mm Diameter max.: 110mm Additional Informattion Cutting Direction: links Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-L MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Characteristics: Order Number: D618TM Item: Groving Holder usable with 4C MGM Indexable Inserts of Korloy Brand: Teknik Makina ISO Code: 2525 4C-L MGM Numbers and Data: Weight: 0.727kg Total length: 150mm Additional Informattion Cutting Direction: links Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-L MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Comprehensive Technical Specifications: Item: Groving Holder ISO Code: 2020 4C-L MGM Brand: Teknik Makina Order Number: D617TM usable with 4C MGM Indexable Inserts of Korloy Total length: 125mm Cutting Direction: links Weight: 0.407kg Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-L S229 Groving Holder - Teknik Makina
Technical Specifications: Order Number: D712TM Item: Groving Holder usable with of Horn Brand: Teknik Makina ISO Code: 2525 4C-L S229 Metric Information: Weight: 0.705kg Total length: 150mm Additional Informattion Cutting Direction: links Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R (110-150) Groving Holder for Korloy MGM 4 inserts - Teknik Makina
Characteristics: Item: Groving Holder ISO Code: 2525 4C-R (110-150) Brand: Teknik Makina Order Number: D791TM usable with MGM 4 Indexable Inserts the Hersteller's Korloy Diameter: 110mm - 150mm Total length: 150mm Cutting Height: 45mm Cutting Direction: rechts Weight: 0.712kg Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R DGN Groving Holder for ISCAR 4C DGN inserts - Teknik Makina
Characteristics: Order Number: D775TM Item: Groving Holder usable with 4C DGN Indexable Inserts of ISCAR Brand: Teknik Makina ISO Code: 2020 4C-R DGN Structural Details: Weight: 0.391kg Total length: 125mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R DGN Groving Holder for ISCAR 4C DGN inserts - Teknik Makina
Product Technical Details: Order Number: D777TM Item: Groving Holder usable with 4C DGN Indexable Inserts the Hersteller's ISCAR Brand: Teknik Makina ISO Code: 2525 4C-R DGN Numbers and Data: Weight: 0.709kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R DGN Groving Holder for ISCAR 4C inserts - Teknik Makina
Comprehensive Technical Specifications: Order Number: K676TM Item: Groving Holder usable with 4C Indexable Inserts the Hersteller's ISCAR Brand: Teknik Makina ISO Code: S20Q 4C-R DGN Numerical Representations: Diameter: 25mm Weight: 0.461kg Total length: 180mm Cutting Height: 35mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R DGN Groving Holder for ISCAR 4C inserts - Teknik Makina
Comprehensive Technical Specifications: Order Number: K678TM Item: Groving Holder usable with 4C Indexable Inserts of ISCAR Brand: Teknik Makina ISO Code: S32S 4C-R DGN Structural Details: Diameter: 37mm Weight: 1.648kg Total length: 250mm Cutting Height: 55mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R GRP Groving Holder for ISCAR 4C GRP inserts - Teknik Makina
Product Information: Order Number: D770TM Item: Groving Holder usable with 4C GRP Indexable Inserts of ISCAR Brand: Teknik Makina ISO Code: 2525 4C-R GRP Metric Information: Weight: 0.747kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R GRP Groving Holder for ISCAR 4C GRP inserts - Teknik Makina
Characteristics: Order Number: D772TM Item: Groving Holder usable with 4C GRP Indexable Inserts of ISCAR Brand: Teknik Makina ISO Code: 3232 4C-R GRP Numbers and Data: Weight: 1.285kg Total length: 170mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R GRP Groving Holder for ISCAR 4C inserts - Teknik Makina
Technical Data: Order Number: K710TM Item: Groving Holder usable with 4C Indexable Inserts the Hersteller's ISCAR Brand: Teknik Makina ISO Code: S32S 4C-R GRP Quantitative Characteristics: Diameter: 38mm Weight: 1.655kg Total length: 250mm Cutting Height: 60mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Available Technical Details: Order Number: D676TM Item: Groving Holder usable with 4C MGM Indexable Inserts of Korloy Brand: Teknik Makina ISO Code: 2020 4C-R MGM Metric Information: Weight: 0.408kg Total length: 125mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Product Technical Specifications: Order Number: D678TM Item: Groving Holder usable with 4C MGM Indexable Inserts of Korloy Brand: Teknik Makina ISO Code: 2525 4C-R MGM Metric Information: Weight: 0.727kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Characteristics: Order Number: D961TM Item: Groving Holder usable with 4C MGM Indexable Inserts of Korloy Brand: Teknik Makina ISO Code: 2525 4C-R MGM Metric Information: Weight: 0.721kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R MGM Groving Holder for Korloy 4C MGM inserts - Teknik Makina
Comprehensive Technical Specifications: Order Number: D675TM Item: Groving Holder usable with 4C MGM Indexable Inserts the Hersteller's Korloy Brand: Teknik Makina ISO Code: 1616 4C-R MGM Numbers and Data: Weight: 0.273kg Total length: 125mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R MGM Groving Holder for Korloy 5C MGM inserts - Teknik Makina
Product Technical Specifications: Item: Groving Holder ISO Code: 2525 4C-R MGM Brand: Teknik Makina Order Number: D964TM usable with 5C MGM Indexable Inserts the Hersteller's Korloy Total length: 170mm Cutting Direction: rechts Weight: 0.745kg Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S224 Groving Holder - Teknik Makina
Specifications: Order Number: D707TM Item: Groving Holder usable with the Hersteller's Horn Brand: Teknik Makina ISO Code: 2525 4C-R S224 Quantitative Specifications: Weight: 0.737kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S224 Groving Holder - Teknik Makina
Detailed Technical Data: Order Number: D706TM Item: Groving Holder usable with of Horn Brand: Teknik Makina ISO Code: 2020 4C-R S224 Quantitative Characteristics: Weight: 0.401kg Total length: 125mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S224 Groving Holder for 4C inserts - Teknik Makina
Product Technical Details: Order Number: K654TM Item: Groving Holder usable with 4C Indexable Inserts Brand: Teknik Makina ISO Code: S25R 4C-R S224 Numbers and Data: Diameter: 33mm Weight: 0.764kg Total length: 200mm Cutting Height: 50mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S224 Groving Holder for 4C inserts - Teknik Makina
Product Technical Details: Order Number: K652TM Item: Groving Holder usable with 4C Indexable Inserts Brand: Teknik Makina ISO Code: S20Q 4C-R S224 Metric Information: Diameter: 26mm Weight: 0.44kg Total length: 180mm Cutting Height: 40mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S229 Groving Holder - Teknik Makina
Product Technical Details: Order Number: D694TM Item: Groving Holder usable with of Horn Brand: Teknik Makina ISO Code: 2525 4C-R S229 Metric Information: Weight: 0.705kg Total length: 150mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S229 Groving Holder - Teknik Makina
Technical Data: Order Number: D692TM Item: Groving Holder usable with the Hersteller's Horn Brand: Teknik Makina ISO Code: 2020 4C-R S229 Quantitative Specifications: Weight: 0.386kg Total length: 125mm Additional Informattion Cutting Direction: rechts Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
4C-R S229 Groving Holder for 4C inserts - Teknik Makina
Product Technical Specifications: Order Number: K630TM Item: Groving Holder usable with 4C Indexable Inserts Brand: Teknik Makina ISO Code: S25R 4C-R S229 Structural Details: Diameter: 34mm Weight: 0.768kg Total length: 200mm Cutting Height: 50mm Manufacturer Teknik Makina, Nolu Sokak, No 9, Selcuklu, Turkey, eMail: info@teknik-makina.com Responsible for Europe Metav Werkzeuge GmbH, Parkring 45, 46446 Emmerich, Germany, eMail: info@metav-werkzeuge.com
Fast, reliable parting and grooving for precision turning
Parting and grooving tools, also referred to as parting blades, grooving tools or cut-off tools, are narrow carrier tools for lathes fitted with replaceable carbide inserts. Supplied as solid holders or flat blades, they are designed to cut precise grooves and to part finished components cleanly from the material bar.
Why internal coolant matters for deep cuts and tough materials
When used in simple form without internal coolant, the cutting fluid is applied via external machine nozzles; this is often sufficient for very shallow grooves and easily machinable materials. For deeper grooving and parting operations, however, the tool nearly encloses the slot so that external coolant cannot reach the cutting edge. Tools with internal coolant incorporate fine, integrated channels that deliver coolant under high pressure directly to the insert and beneath the chip. This targeted supply controls the intense heat in the confined cutting zone and uses flushing pressure to eject chips reliably, preventing chip jamming, surface damage and sudden tool breakage.
Clear operational benefits you can measure
- faster cycle times through reliable chip evacuation and uninterrupted cutting
- extended tool life thanks to effective heat control at the cutting edge
- consistent surface finish by avoiding chip re-cutting and scarring
- safer machining of hard or ductile materials due to reduced risk of tool fracture
- simplified setup when holders with integrated channels replace complex external coolant rigs
Metav as a practical partner for your workshop
Metav stands for democratisation of precision: decades of expertise, a quality filter in Emmerich and an assortment that supports industry and trade. With more than 48,000 customers and a catalogue of over 250,000 products, Metav provides a focused selection of parting and grooving tools, accessories and matched holders so that procurement and technical choice remain straightforward and dependable.
Parting and grooving tools bring reliable groove geometry and safe parting to turning operations; choosing holders with integrated coolant channels is essential for deep cuts and demanding materials. If technical advice is needed, Metav’s product specialists can help select the appropriate tool geometry and coolant configuration for the application.
FAQ
When is internal coolant necessary for parting tools?
Internal coolant becomes necessary for deep grooving and parting or when machining hard or ductile materials; it delivers coolant directly to the insert and beneath the chip, which is critical when external nozzles can no longer reach the cutting edge.
Can parting tools be used without internal coolant?
Yes — for very shallow cuts and easily machinable materials, parting tools can be used with external machine coolant nozzles, but performance and tool life will drop markedly for deeper cuts.
How do parting tools prevent dangerous chip jamming?
Parting tools with integrated channels use high-pressure coolant to flush chips out of the narrow slot, preventing chips from becoming trapped and minimising the risk of surface damage and abrupt tool failure.
What should be considered when choosing a grooving insert and holder?
Select a combination that matches the required groove depth and material grade; holders offering integrated high-pressure channels are preferred for deep cuts or poor-chip-breaking materials to ensure heat control and reliable chip evacuation.
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