SNMG 120408 T9225 Wendeplatten - Tungaloy

Take advantage of the combination of a CVD-coated carbide grade designed for medium to heavy steel cutting, ISO compatibility for straightforward toolholder matching, and a robust 0.8 mm corner radius that supports stable chip control in interrupted cuts — order the insert directly via Metav Werkzeuge or consult the specialists for application advice.

SNMG 120408 T9225 turning insert by Tungaloy — ISO indexable turn insert for medium to heavy steel

SNMG120408 T9225 is an ISO-standard indexable insert intended for external and internal turning, offering a universal, CVD-coated carbide grade for applications with variable engagement and light interruptions

• CVD-coated carbide for robustness
• Universal grade for medium–heavy steel
• ISO SNMG 120408 square form

Consistent cutting performance for demanding steel turning

The T9225 grade is a CVD-coated carbide engineered as a universal solution for medium to heavy steel machining where intermittent cuts or variable engagement demand higher toughness. Its formulation balances wear resistance and edge strength, leading to longer tool life under changing conditions. The indexed design permits cost-efficient edge changes without regrinding, so production runs remain predictable and machine uptime is maximised while tool management becomes simpler.

Clear compatibility and easy mounting in ISO toolholders

As an ISO-standard insert, the plate’s geometry and dimensions determine holder compatibility: square form with a nominal size of 12 mm, plate thickness 4.76 mm, and a cylindrical hole for secure clamping. These measurable parameters ensure the insert fits matching SNMG-capable external holders or boring bars without uncertainty. Compatibility is driven by form, relief angle, tolerance class, clamping method, size and thickness — all standardised aspects that simplify tool selection and reduce set-up time on the shop floor.

Geometry and chip control that support stable machining

The insert’s 0.8 mm corner radius combined with a double-sided chipbreaker gives a reliable cutting edge for both finishing and medium-depth passes; the 0° relief and square plate layout create a robust 90° approach suitable for shoulder work and general turning. This geometry improves edge strength and distributes cutting forces favourably, reducing vibration and enabling steadier surface finish when machine and workpiece stability are appropriate. For interrupted cuts the toughness of the grade helps prevent premature chipping.

Select the right chipbreaker and grade for productivity

Choosing the correct chipbreaker and the T9225 grade allows a concise balance between material removal rate and process reliability. Where machine rigidity and clamping permit, the combination of the universal grade and the double-sided chipformer supports higher metal removal with controlled chips; in less stable set-ups, the grade’s increased toughness tolerates occasional overloads. The standardised insert form and indexability reduce tool inventory complexity, making production planning and cost calculations more straightforward while maintaining consistent component quality.

For machining tasks that demand a tough, CVD-coated carbide insert, contact Metav Werkzeuge for availability and technical advice on the Tungaloy SNMG120408 T9225 insert and compatible holders

Technical data

• Article number: 6780838
• SKU: 6780838-Tungaloy
• Manufacturer SKU: TUN6780838
• Manufacturer article number: 6780838
• Model series: ISO-Drehwendeschneidplatten
• Standard designation: SNMG120408

Facts

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 0.8 mm
• Relief (free) angle: 0°
• Approach/wedge angle: 90°

Design / Special features

• Material: carbide
• Coating / grade: T9225 (CVD-coated carbide)
• Plate form: square
• Hole: with hole, cylindrical hole
• Chipbreaker: double-sided
• Application: turning (external and internal)
• ISO-compatible indexable insert, double-sided edges

FAQ

What materials is this insert designed to machine?
The SNMG120408 T9225 insert from Tungaloy is formulated primarily for medium to heavy steel machining; the T9225 grade is selected for its toughness in such applications.

How is the insert secured in a toolholder?
The square SNMG120408 insert uses a cylindrical hole and matches ISO SNMG holders; clamping depends on holder type, tolerance class and the specified 4.76 mm plate thickness.

Is the insert indexable and double-sided?
Yes — the SNMG120408 Tungaloy insert is indexable and double-sided, providing multiple cutting edges to extend service life and reduce tooling costs.

What benefits does the T9225 grade deliver for interrupted cuts?
The T9225 CVD-coated carbide grade offers increased toughness and robust edge stability, improving resistance to chipping during light interruptions or variable cutting conditions.

Which geometric values are relevant for selecting a matching holder?
Key values for matching are the SNMG form, plate size 12 mm, thickness 4.76 mm, corner radius 0.8 mm, and 0° relief; these determine the correct ISO holder and clamping method for the insert.

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.