SNMG 120412 T9235 Wendeplatten - Tungaloy

CVD-coated carbide grade T9235 and a double-sided chipbreaker provide consistent performance in interrupted turning and unstable conditions while the ISO-compliant SNMG geometry ensures straightforward holder interchangeability. Order the SNMG120412 directly via Metav Werkzeuge or contact our consultants for advice on the optimal holder and clamping set.

SNMG 120412 T9235 — Tungaloy SNMG120412 indexable insert for Turning

SNMG120412 T9235 Tungaloy insert for versatile external and internal turning applications

• CVD-coated carbide for stable cutting
• Suitable for steel under interrupted cuts
• Double-sided chipbreaker for efficient chip control
• 90° square insert with 1.2 mm corner radius

Reliable performance where stability is limited

The CVD-coated substrate and the specified T9235 grade deliver a balance of toughness and wear resistance tailored to steel machining at lower cutting speeds and in conditions that cause intermittent cutting. The coating process deposits hard protective layers on the carbide body, which reduces flank wear and helps maintain a steady cutting edge under vibration or interrupted cuts. As a result, operators benefit from more predictable tool life and fewer unscheduled indexings, which contributes directly to improved process reliability and reduced cycle-time variability.

Economy through double-sided usability and clear geometry

The square SNMG form with a 90° included angle and double-sided chipbreaker means the insert can be indexed, offering economic use of the cutting geometry. The 1.2 mm corner radius provides strength at the cutting edge for robust contact with the workpiece while still allowing controllable cutting forces. These geometric choices reduce the need for frequent insert changes and simplify inventory: the same insert suits many turning tasks when paired with the correct holder and clamping set, lowering total machining cost per edge.

Compatibility and mounting guidance for safer setup

Compatibility with holders is determined by the insert form, clearance angle 0°, tolerance class, attachment method, size 12 mm, and thickness 4.76 mm. The SNMG120412 is designed as an ISO indexable insert, and the presence of a cylindrical hole supports secure clamping and consistent seating in many standard clamping systems. When selecting a seating system, match the insert’s form and thickness to the holder pocket and check the tolerance class to ensure correct running behaviour; this avoids poor contact, premature wear and inconsistent surface finish.

How the chipbreaker and grade improve machining outcomes

The double-sided chipbreaker is engineered to control chip formation across a range of depths of cut and feeds typical for steel turning. In practice this means safer chip evacuation, reduced tendency for built-up edge and improved surface quality in interrupted cuts. The T9235 grade is intentionally tougher than high-speed grades, which pays off when machining cast-offs, interrupted sections or operations with reduced rigidity: the trade-off towards toughness reduces edge chipping and maintains dimensional stability over longer runs.

Practical considerations for workshop integration

Use the insert with holders and clamping kits that conform to ISO standards for SNMG forms to exploit the full potential of the geometry. Inspect seating surfaces and clamping screws regularly and keep replacement screws and underlay sets available to maintain repeatable clamping force. For less-experienced operators, the ISO standardisation simplifies holder matching, and our technical advisers can provide guidance on selecting the optimal chipbreaker and cutting parameters for the material and machine rigidity at hand.

For tailored holder recommendations, tooling packages or to order SNMG120412 T9235 inserts directly, contact Metav Werkzeuge — our consultants will advise on the correct holder, clamping sets and cutting parameters for the intended turning application.

Technical data

• Article number: 6786020
• Manufacturer SKU: TUN6786020
• Marketplace SKU: 6786020-Tungaloy
• Manufacturer: Tungaloy

Facts

• Corner radius: 1.2 mm
• Included angle: 90°
• Clearance angle: 0°
• Thickness: 4.76 mm
• Insert size: 12 mm

Special features

• CVD-coated carbide
• Grade T9235 for steel, low cutting speeds
• Double-sided chipbreaker
• Cylindrical hole
• Square geometry, SNMG form
• ISO indexable insert

FAQ

What machining tasks is this insert best suited for?
The SNMG120412 is intended for turning operations, particularly external and internal turning of steel where interrupted cuts or unstable conditions occur; the T9235 grade supports toughness at lower cutting speeds.

How does the T9235 grade influence tool life and cutting behaviour?
The T9235 CVD-coated carbide is formulated for toughness rather than maximal hardness, which reduces edge chipping under interrupted cutting and improves durability in unstable setups; this results in steadier tool life for demanding steel turning tasks.

Which holder characteristics must match the insert?
Holder compatibility depends on insert form, clearance angle 0°, tolerance class, attachment method, size and thickness; matching these parameters ensures correct seating and reliable clamping of the SNMG120412 in standard ISO pockets.

What geometry features support robust cutting?
Key features are the 90° included angle for general-purpose turning strength, the 1.2 mm corner radius for edge robustness, the 4.76 mm plate thickness for rigidity and the cylindrical hole for secure clamping.

Is the insert indexable and reusable?
Yes — the double-sided chipbreaker indicates the insert is designed for indexing; both sides of the insert provide usable cutting positions, enabling multiple reuses before disposal.

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.