VNMG 160408 T9225 Wendeplatten - Tungaloy

The combination of a CVD‑coated carbide grade and a robust rhombic geometry ensures reliable performance in medium to heavy steel turning while simplifying tool management; order the insert directly via Metav Werkzeuge or contact the consultants for compatibility checks.

VNMG160408-PS T9225 — ISO turning insert by Tungaloy, CVD‑coated carbide for turning

The VNMG160408-PS T9225 is an ISO‑standard rhombic indexable turning insert designed for external and internal turning, providing a balance of toughness and wear resistance for interrupted cuts and variable engagement conditions.

• CVD-coated carbide grade T9225
• Universal grade for medium to heavy steel
• Rhombic VNMG form with 0.8 mm radius
• Compatible with ISO holders; cylindrical hole

Consistent edge life for variable turning conditions

The insert delivers a combination of toughness and wear resistance through its CVD coating and carbide substrate, optimised for steel machining. The T9225 grade is formulated as a universal choice for medium to heavy steel turning where changing cut conditions or light interruptions demand additional fracture resistance. This results in fewer indexings and more predictable tool life, which supports continuous production and reduces unplanned downtime.

Geometry and chip control that enhance stability

Engineered in the VNMG rhombic form with a 0.8 mm corner radius and a 35° approach, the geometry promotes stable cutting forces and reliable seating in standard ISO holders. The PS chipbreaker manages chip formation for typical steel grades, aiding chip evacuation and surface finish without excessive cutting force. The insert’s cylindrical centre hole enables secure clamping and straightforward replacement in compatible toolholders.

Practical compatibility and workshop integration

As an ISO‑conforming insert, fitment to a suitable external holder, boring bar or clamping kit is determined by the insert’s form, relief angle (0°), tolerance class, fixing method, size (16 mm nominal), and thickness where applicable. The indexable design simplifies inventory: a single insert type covers a broad spectrum of turning tasks, reducing tool diversity while maintaining flexibility for both external and internal operations.

Material scope and recommended use

This grade is particularly effective on unalloyed and alloyed steel, where medium to heavy cuts are common and occasional interruptions occur. The combination of carbide substrate and CVD coating gives a reliable balance between toughness and wear resistance; for very soft, non-ferrous or high‑temperature alloys, selection of a more specialised grade should be considered. The insert is intended primarily for conventional turning tasks rather than finishing applications that require ultra‑fine edge radii.

Handling, selection and maintenance tips

Select the insert together with a holder that matches the VNMG form, clearance and clamping style; verify the cylindrical hole and seating arrangement for proper torque and contact. Maintain a modest inventory of spare screws and clamping pads for rapid changeover. Regular inspection of cutting edges will maximise productivity and help determine optimal index intervals, leading to a predictable machining cycle and lower overall tooling costs.

Discuss application specifics and availability with Metav Werkzeuge; our consultants can verify holder compatibility and recommend cutting parameters based on workpiece material and machine capability

Technical data

• Article number: 6796055
• Manufacturer SKU: TUN6796055
• SKU: 6796055-Tungaloy
• Model series: ISO-Drehwendeschneidplatten

Facts

• Corner radius: 0.8 mm
• ISO designation: 160408
• Insert size: 16 (nominal)
• Relief angle: 0°
• Approach/wedge angle: 35°

Special features

• Carbide substrate with CVD coating
• Grade: T9225 (universal, medium to heavy steel)
• Chipbreaker: PS
• Form: VNMG (rhombic)
• Centre hole: cylindrical, with hole
• Application: external and internal turning
• Compatible with ISO toolholders and boring bars

FAQ

What materials is this insert suitable for?
The VNMG160408-PS T9225 insert is designed primarily for steel, covering unalloyed and alloyed steels in medium to heavy turning operations.

How does the T9225 grade behave under interrupted cuts?
The T9225 grade provides increased toughness compared with pure wear grades, making the insert more resistant to chipping during light interruptions or variable engagement.

Which chipbreaker is fitted and what is its benefit?
The insert uses the PS chipbreaker to promote controlled chip formation and evacuation in common steel turning tasks, improving surface finish and reducing the risk of chip entanglement.

Is the insert compatible with standard VNMG holders?
Compatibility depends on the holder’s form, clearance, clamping and tolerance class; the VNMG form and cylindrical centre hole are standard features, so the insert is compatible with most ISO VNMG holders when dimensions and clamping method match.

What does the 0.8 mm radius mean for my parts?
A 0.8 mm corner radius offers a compromise between strength and surface finish: it supports robust edges for heavier cuts while still allowing reasonable part geometry and acceptable finishes.

Manufacturer/Responsible: Tungaloy-NTK Germany GmbH, Katzbergstraße 3a, 40764 Langenfeld - Protected trademarks and product names are the property of their respective owners. Brand names and protected trademarks are mentioned solely for explanatory purposes. There is no affiliation between our company and the mentioned brands. The item offered is an original, brand-new product from the manufacturer.