SNMG 120412 T9235 Wendeplatten - Tungaloy

Take advantage of a tough T9235 CVD-coated carbide grade combined with a 1.2 mm corner radius and a square ISO geometry for reliable turning under interrupted or unstable cutting conditions; order the insert directly via Metav Werkzeuge or contact our consultants for application support.

SNMG 120412 T9235 – Turning insert (ISO) by Tungaloy

SNMG120412 T9235 is an ISO-standard indexable turning insert for external and internal turning applications, engineered for steel machining under interrupted cuts and unstable setups.

• CVD-coated carbide grade T9235 for steel
• Square ISO SNMG 12 mm insert with hole
• 1.2 mm corner radius for robust engagement
• Double-sided chipbreaker for interrupted cuts

Reliable performance where stability is limited

The SNMG120412 T9235 insert delivers a combination of toughness and wear resistance that suits lower cutting speeds and interrupted operations. The CVD-coated carbide construction provides a hard, wear-resistant surface while the underlying substrate maintains fracture resistance; this balance reduces the risk of edge chipping when the tool meets variable cuts or vibration. For workshops processing a range of steel components, the insert offers consistent productivity without frequent edge failures, supporting predictable cycle times and reduced rework.

Material and coating explained for predictable tool life

The insert is made from cemented carbide with a CVD coating, a proven pairing where abrasion resistance and edge integrity matter. The coating forms a protective ceramic layer that withstands abrasive wear, while the carbide core resists plastic deformation under load. In practical terms, this means longer periods between indexings and more stable surface finishes on steel workpieces. Choosing the T9235 grade prioritises durability in unstable cutting scenarios rather than maximising speed, so the grade works well for operations with intermittent cuts or limited fixture rigidity.

System compatibility and mounting considerations

As an ISO SNMG 120412 geometry, the plate is compatible with standard SNMG external holders and boring bars provided the holder matches form, clearance, tolerance class, fastening style, size and thickness. The insert features a cylindrical hole for secure clamping and a square plate form (12 mm) that gives four usable edges on a double-sided configuration. Ensure the holder’s seat and clamp interface accommodate the 4.76 mm plate thickness and the 0° clearance angle to achieve accurate seating and repeatable positioning during index changes.

Practical guidance on selecting chipbreakers and grades

The double-sided chipbreaker design aids controlled chip formation during interrupted cuts and contributes to reliable chip evacuation in semi-stable setups. When deciding on operating parameters, favour lower cutting speeds and moderate feed to exploit the toughness of the T9235 grade; this reduces shock loads on the cutting edge. For teams new to indexable plates, pairing the insert with a sturdy external holder and verifying clamp torque will help translate the material and geometry benefits into improved process reliability and reproducible surface quality.

For machining tasks that demand a rugged, CVD-coated solution, choose the Tungaloy T9235 SNMG insert and contact Metav Werkzeuge for availability and technical advice by email at info@metav-werkzeuge.com or by phone at +49 2822 7131930

Technical data

• Article number: 6785886
• Manufacturer SKU: TUN6785886
• SKU: 6785886-Tungaloy
• Model series: ISO-Drehwendeschneidplatten
• Item name: SNMG120412 T9235 Tungaloy-Wendeplatte

Facts

• ISO designation: SNMG120412
• Plate size: 12 mm
• Plate thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Geometry angle: 90°
• Hole style: cylindrical hole
• Chipbreaker: double-sided

Special features

• Material: cemented carbide
• Coating: CVD
• Grade: T9235 (tough grade for steel)
• Plate form: square
• Application: Turning
• Mounting: with hole for secure clamping

FAQ

What materials is this insert intended to machine?
The SNMG120412 T9235 insert is formulated primarily for steel machining; the T9235 grade and CVD coating offer toughness and wear resistance suitable for interrupted and unstable cutting conditions.

How does the chipbreaker benefit interrupted cuts?
The double-sided chipbreaker on this insert promotes controlled chip formation and improved evacuation, which reduces the likelihood of re-cutting chips during interrupted turning cycles.

Is the insert compatible with standard SNMG holders?
Yes, the ISO SNMG 120412 geometry is designed for compatibility with SNMG external holders and boring bars provided the holder matches the plate size, thickness, hole and tolerance requirements.

What thickness and hole style does the plate have?
The plate is 4.76 mm thick and fitted with a cylindrical hole for positive and repeatable clamping in standard indexable insert holders.

How should cutting parameters be adjusted for this grade?
For the T9235 grade, favour moderate feeds and lower speeds compared with harder grades; this leverages the insert’s toughness and reduces edge chipping under variable cutting forces.

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.