SNMG 120412 T9215 Wendeplatten - Tungaloy

The combination of CVD-coated carbide T9215 and a 90° square geometry with 1.2 mm corner radius delivers extended tool life and stable machining for medium steels; order the insert directly via Metav Werkzeuge or consult their specialists for application-specific recommendations.

SNMG120412 T9215 Tungaloy indexable turning insert — CVD-coated carbide, 90° square

SNMG120412 T9215 is an ISO-format indexable insert for external and internal turning, optimised for medium steel machining and high-productivity environments

• CVD-coated carbide grade T9215
• Designed for medium steel machining
• Square 90° geometry with 1.2 mm radius
• Double-sided insert with cylindrical hole

Consistent performance where productivity matters

The SNMG120412 T9215 insert combines a CVD-coated carbide substrate with a grade engineered for the middle range of steel machining. The coating improves wear resistance and heat management during sustained cuts, while the substrate maintains fracture toughness for slightly interrupted conditions. This pairing drives higher productivity by extending edge life and reducing frequency of indexing, which translates into fewer tool changes and less machine downtime. Where continuous operation is required, the insert’s material and coating deliver predictable performance and repeatable results.

Geometry that balances strength and surface finish

A square, 90° geometry with a 1.2 mm radius creates a robust cutting edge that tolerates radial loads and improves dimensional stability on external contours. The modest corner radius supports a good surface finish without sacrificing edge strength; larger radii increase stability, while smaller radii favour fine-detail work. The insert’s cylindrical hole and standard ISO shape ensure simple mounting in compatible holders, with final fit determined by form, clearance angle, tolerance class, fastening and thickness. This geometry is particularly well suited to shoulders, facing and heavy finishing passes in stable set-ups.

Lower process costs through edge economy and reliability

The insert is double-sided, allowing multiple indexable edges from a single plate and improving cost-efficiency per cutting edge. T9215 is tuned for a balance of abrasion resistance and toughness, which minimises unexpected breakage in medium steel operations and reduces scrap rates. Consistent edge life makes process planning more reliable: fewer unplanned stops, optimised cutting parameters and better utilisation of machine time. In short, the insert supports a favourable cost-per-part ratio when compared with uncoated or lower-grade options.

Clear guidance for selection and application

Intended for external and internal turning of medium steel, this ISO-format insert is best matched with holders and toolposts that meet the plate’s form and tolerance requirements. Choose the chipbreaker style and grade in line with component stability and machining strategy; the supplied double-sided chipbreaker gives flexibility for different cutting conditions. If machining parameters involve light interruptions or variable engagement, the insert’s combination of coating and carbide substrate offers a robust compromise between wear resistance and fracture toughness. For further specification checks or to confirm holder compatibility, Metav Werkzeuge’s technical team can provide detailed advice on selection and process parameters.

Contact Metav Werkzeuge for tailored machining advice and fast supply of the Tungaloy SNMG120412 T9215 insert — reference TUN6773871 for quickest processing

Technical data

• Article number: 6773871-Tungaloy
• Manufacturer number: 6773871
• Manufacturer SKU: TUN6773871
• Model series: ISO-Drehwendeschneidplatten

Key dimensions

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Geometry angle: 90°

Features

• Material: carbide
• Coating: CVD
• Grade: T9215
• Shape: square
• Hole style: cylindrical hole
• Chipbreaker: double-sided
• Application: external and internal turning; medium steel
• Compatibility notes: fit determined by form, clearance angle, tolerance class, fastening, size and thickness

FAQ

What materials is this insert best suited to?
The SNMG120412 T9215 insert is optimised for medium steel machining and delivers reliable performance under continuous and lightly interrupted cutting conditions.

How does the T9215 grade affect tool life?
T9215 is a CVD-coated carbide grade that combines wear resistance with toughness, extending usable edge life and reducing the risk of premature breakage during standard turning operations.

Is the insert indexable on both sides?
Yes, the plate is double-sided, offering multiple indexable edges and improving the economy per cutting edge.

What are the key dimensional data to check for holder compatibility?
Verify the plate size (12 mm), thickness (4.76 mm), hole style (cylindrical) and geometry (90°) against the holder’s form, clearance angle and tolerance class to ensure correct fit.

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.