SNMG 120412 T9225 Wendeplatten - Tungaloy

Take advantage of a robust, universal grade and precision geometry for reliable medium to heavy turning operations; the combination of a CVD-coated carbide T9225 and an ISO SNMG form delivers dependable toughness for interrupted cuts and straightforward insertion into ISO-compatible holders—order directly via Metav Werkzeuge or consult our specialists for application-specific setup.

SNMG 120412 T9225 ISO turning insert — CVD‑coated carbide by Tungaloy

The SNMG120412 T9225 is an ISO-standard turning insert designed for medium to heavy steel turning, offering a balanced mix of wear resistance and toughness for variable cutting conditions.

• CVD-coated carbide T9225 for robust performance
• Universal grade for medium to heavy steel turning
• ISO SNMG form with 1.2 mm nose radius
• Cylindrical hole, double-sided chipbreaker design

Consistent performance under variable cutting conditions

The insert combines a CVD-coated carbide substrate with the T9225 grade to provide a predictable wear curve and enhanced toughness where cuts are intermittent. This specification is particularly advantageous for workshops facing fluctuating cutting forces: the coating increases abrasive resistance while the substrate maintains edge strength. The square, ISO SNMG form and 90° lead angle translate into a versatile geometry that supports stable tool engagement, ensuring component tolerances are met while reducing the need for frequent tool changes. Benefits include longer productive tool life and fewer unplanned stoppages.

Geometry engineered to reduce vibration and improve surface finish

The 1.2 mm nose radius and neutral 0° rake promote a sound balance between chip control and surface integrity. The double-sided chipbreaker layout and the cylindrical locating hole help locate the insert precisely and provide consistent chip formation across both cutting edges. This design reduces vibration and improves repeatability on external and internal turning cycles, making it suitable for mixed-batch production where consistent quality matters. The moderate nose radius supports general finishing without compromising cutting strength in heavier passes.

Universal grade that adapts to challenging materials

Selected for robustness, the T9225 grade is optimised for steel machining where toughness is required—particularly under interrupted or unstable cutting conditions. The grade’s combination of wear resistance and fracture toughness means it performs reliably across a broad range of steel alloys, offering an economic approach to tooling: fewer specialised grades are needed, and machining setups can be simplified. For operations that alternate between roughing and semi-finishing, this insert reduces tool stocking complexity while maintaining process reliability.

Practical guidance for holder compatibility and setup

Compatibility with the toolholder depends on the insert form, clearance angle, tolerance class, fixing method, size and thickness. The SNMG form fits standard ISO external holders or boring bars sized for 12 mm inscribed circle and a plate thickness of 4.76 mm. For secure clamping, confirm the holder accepts a square insert with a cylindrical hole and ensure the clamping torque and seat condition prevent micro-movement. When switching to this grade, moderate cutting speeds and robust feed rates are recommended initially; increase parameters as tool performance is validated to balance productivity and tool life.

For reliable results with the Tungaloy SNMG120412 T9225 insert, contact Metav Werkzeuge for tailored recommendations and sourcing—our advisers provide practical setup advice and fast delivery from stock.

Technical data

• Article number: 6780732

• Manufacturer SKU: TUN6780732

• Form: SNMG (square)

• Size (inscribed circle): 12 mm

• Plate thickness: 4.76 mm

• Nose radius: 1.2 mm

• Rake angle: 0°

• Insert angle: 90°

• Hole: cylindrical

• Grade: T9225

• Material: carbide

• Coating: CVD

Facts

• Compatible with ISO‑standard holders

• Double‑sided chipbreaker

• Suitable for external and internal turning

• Optimised for medium to heavy steel machining

• Robust performance under interrupted cuts

Special features

• ISO SNMG120412 designation

• Square plate form with cylindrical hole

• Balanced wear resistance and toughness

• Manufacturer: Tungaloy; model series ISO turning inserts

• Typical system: insert, compatible holder or boring bar, clamping set, replacement screws

FAQ

What materials is this insert best suited for?
The Tungaloy SNMG120412 T9225 insert is engineered primarily for steel machining and performs well in medium to heavy cutting where toughness is necessary, including slightly interrupted cuts.

Is the SNMG120412 compatible with standard ISO holders?
Yes, the SNMG120412 form follows ISO geometry; compatibility is determined by form, clearance angle, tolerance class, fixing method, size (12 mm) and thickness (4.76 mm), so standard ISO SNMG holders sized accordingly will accept the insert.

How does the T9225 grade affect tool life and productivity?
The T9225 CVD-coated grade offers a balanced combination of wear resistance and toughness, which tends to extend tool life in varying conditions and reduces downtime, improving overall productivity in mixed machining tasks.

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.