SNMG 120412 AH6235 Wendeplatten - Tungaloy

Reliable machining of stainless components is supported by the combination of the PVD-coated AH6235 grade and the ISO SNMG geometry with a 1.2 mm corner radius, delivering robust edge life and consistent chip control in interrupted cuts; order the insert directly via Metav Werkzeuge or consult their specialists for application advice.

SNMG120412 AH6235 ISO turning insert for turning applications — Tungaloy

SNMG120412 AH6235 is an ISO-format turning insert designed for external and internal turning, optimised for stainless steels and interrupted cutting conditions.

• SNMG120412 geometry for ISO-compatible holders
• PVD-coated AH6235 grade for stainless steels
• Double-sided chipbreaker for controlled chips
• Square form with cylindrical hole for secure mounting

Consistent edge life for demanding stainless turning

The PVD-coated AH6235 grade is a tougher carbide that resists chipping in interrupted cuts and where breakout risk is high. The insert’s design prioritises sustained cutting performance: the PVD layer increases wear resistance while the substrate toughness absorbs shock loads, which together extend tool life and reduce unplanned tool changes. For production-focused workshops this translates into fewer interruptions and steadier cycle times in stainless component manufacture.

Secure seating and ISO compatibility for reliable set-up

The square SNMG120412 shape with a cylindrical hole and standardised ISO geometry ensures reliable clamping and repeatable positioning in compatible holders. Key dimensions such as the 12 mm size, 4.76 mm plate thickness and 1.2 mm corner radius contribute to stable seating and predictable tool stick-out. Because holder compatibility depends on form, clearance angle, tolerance class, fastening and thickness, choosing a matching external holder or boring bar ensures the insert runs true and minimises vibration-related wear.

Improved chip control and surface finish with a double-sided chipbreaker

A double-sided chipbreaker promotes consistent chip formation across both indexable cutting edges, simplifying tool rotation and replacement. Controlled chip flow reduces flute clogging and machine downtime while improving surface quality on the workpiece. The chipbreaker geometry also aids thermal management by producing shorter chips that evacuate more readily, which benefits finish and tool life in continuous and interrupted turning alike.

Application guidance and production advantages

Designed for turning operations, this insert is particularly suited to stainless steel machining and jobs prone to interruption or edge instability. Using the AH6235 grade and a compatible chipbreaker reduces the frequency of insert indexing and helps maintain consistent part tolerance. For small- to mid-run production, the result is lower tooling overhead and improved process reliability; for high-volume machining, optimised edge life contributes directly to productivity gains.

For machining stainless components with elevated breakout risk, contact Metav Werkzeuge to discuss the suitability of Tungaloy SNMG120412 AH6235 inserts, confirm the correct holder and chipbreaker selection, and check stock availability at info@metav-werkzeuge.com or +49 2822 7131930

Technical data

• Article number: 6892192
• SKU: 6892192-Tungaloy
• Manufacturer SKU: TUN6892192
• Manufacturer: Tungaloy
• Material: carbide
• Grade / coating: AH6235, PVD-coated
• Model series: ISO turning indexable inserts

Facts

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Clearance angle: 0°
• Included angle: 90°
• Hole: with cylindrical hole
• Chipbreaker: double-sided

Special features

• Shape: square
• Intended use: external and internal turning
• Best for: interrupted cuts and high breakout risk
• Compatibility: ISO holders defined by form, clearance, tolerance, fastening, size and thickness

FAQ

Which materials is this insert best suited for?
The Tungaloy SNMG120412 AH6235 insert is primarily engineered for stainless steel applications; the AH6235 grade combines toughness and wear resistance for interrupted or unstable cuts.

Can the insert be indexed to use multiple cutting edges?
Yes, the SNMG120412 insert is double-sided and can be rotated to use additional edges, increasing overall tool life and economy.

What determines holder compatibility for this insert?
Compatibility is governed by the ISO form, the insert’s clearance angle, tolerance class, fastening method, size and thickness; matching those parameters ensures correct seating and stable machining.

How does the AH6235 grade differ from standard coatings?
AH6235 is a PVD-coated carbide grade designed to offer increased toughness and improved resistance to chipping under interrupted cutting, making it suitable for challenging stainless-steel operations.

What machining benefits does the chipbreaker deliver?
The double-sided chipbreaker promotes predictable chip formation and evacuation, which reduces downtime, improves surface finish and helps control cutting temperatures during both continuous and interrupted turning.

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.