25mm Grooving Clamp Holder KGEVR-KGMN 2mm Cut Width, S20M 2C Shaft - Teknik Makina

Benefit from the K661TM's combination of a 20 mm shank and a narrow 2 mm cutting width for precise, low-vibration grooving; the 150 mm overall length provides the stability required for repeatable parting operations. Order the clamp holder through Metav Werkzeuge or consult the specialists for application advice.

Parting and Grooving Clamp Holder K661TM — 20 mm shank, 150 mm overall length (Teknik Makina)

The Parting and Grooving Clamp Holder K661TM is a compact toolholder designed for precision turning tasks, especially narrow grooving and parting-off operations on conventional and CNC lathes

• 20 mm shank diameter for standard toolposts
• 150 mm overall length for stable reach
• 2 mm cutting width for narrow grooving
• Compatible with Korloy KGEVR‑KGMN 200 inserts

Accurate clamping for consistent parting results

The K661TM is built to deliver consistent clamping and repeatable results in production and workshop settings. With a 20 mm shank, the toolholder seats securely in a standard toolpost, reducing micro‑movement during cuts. Compatibility with Korloy KGEVR‑KGMN 200 indexable inserts keeps changeover rapid and predictable, lowering machine downtime. The combination of a short, rigid shank and secure insert mounting translates directly into cleaner grooves and fewer rejects in batch production.

Optimised for narrow grooves and fine finishing

A 2 mm cutting width and a 45 mm cutting height make this holder particularly effective when machining narrow slots or performing fine parting tasks where material waste must be minimised. The slim cutting geometry helps to control chip formation and reduces the need for excessive machine power, while the holder's rigidity supports a stable cutting environment. For users shifting between roughing and finishing passes, the holder permits quick insert swaps without altering set‑up, saving both time and tool costs.

Engineered dimensions for workshop reliability

At 150 mm overall length and a modest weight of 0.374 kg, the toolholder balances reach with vibration control — a crucial factor when achieving tight tolerances. The specified 25 mm diameter section and the standard shank designation contribute to predictable tool behaviour across different lathes. This predictability simplifies process planning: the holder can be integrated into existing fixtures with minimal offset adjustments, which is advantageous for small-series manufacturing and maintenance workshops alike.

Practical setup and compatibility notes

The holder carries the shank designation S20M 2C and relates to the KGMN toolholder family, making it straightforward to match with compatible mounting systems and insert types. The K661TM accepts the listed KGEVR‑KGMN 200 inserts from Korloy, allowing teams to use widely available indexable tips rather than bespoke brazed tools. This interoperability supports stock rationalisation and reduces procurement complexity. Basic set‑up requires correct seating of the insert and torqueing of the clamp screw to the machine maker's specifications to ensure optimal performance.

For precision parting and grooving with the Teknik Makina K661TM, contact Metav Werkzeuge in Emmerich at info@metav-werkzeuge.com or call +49 2822 7131930 for stock information and tailored application advice

Technical data

• SKU: K661TM
• Manufacturer: Teknik Makina
• Item: Parting and grooving clamp holder
• Compatible inserts: KGEVR‑KGMN 200 (Korloy)

Facts

• Shank diameter: 20 mm
• Overall length: 150 mm
• Cutting height: 45 mm
• Cutting width: 2 mm
• Diameter: 25
• Weight: 0.374 kg

Special features

• Shank designation: S20M 2C
• Toolholder designation: KGMN
• Compatible with Korloy inserts KGEVR‑KGMN 200

FAQ

Which inserts are compatible with this holder?
The holder accepts Korloy KGEVR‑KGMN 200 indexable inserts; the K661TM is configured for this insert form to ensure secure seating and reliable cutting performance.

What shank and mounting designation does it use?
The toolholder uses a 20 mm shank and the shank designation S20M 2C, aligned with the KGMN family for straightforward mounting in standard toolposts.

Is the toolholder suitable for narrow grooving operations?
Yes — with a 2 mm cutting width and rigid clamp design, the holder is intended for narrow groove machining and precise parting tasks.

Can the holder be used for both roughing and finishing?
The design facilitates quick insert changes, allowing different insert grades for roughing and finishing without major re‑set‑up of the K661TM.

What are the main dimensional advantages for workshop use?
The 150 mm overall length and compact weight offer a balance of reach and stiffness, reducing vibration and supporting consistent tolerance control in small‑series and production environments.

Manufacturer: Teknik Cutting Tools, Buyukkayacık OSB Mah.422 Nolu Sokak.No:9, Selcuklu/KONYA/TURKEY / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; +49 2822 7131930; eMail: info@metav-werkzeuge.com