LNMX 120412 T9125 Wendeplatten - Tungaloy

Benefit from the combination of ISO compliance, the T9125 carbide grade and a 1.2 mm corner radius for reliable, repeatable turning operations; order directly via Metav Werkzeuge or contact our consultants for application advice.

LNMX 120412 T9125 turning indexable insert — Tungaloy (1.2 mm radius, 90°)

LNMX 120412 T9125 is an ISO-standard turning indexable insert designed for both external and internal turning operations, offering a balance of wear resistance and edge stability for a wide range of machining tasks

• ISO-standard turning insert
• Tungaloy T9125 grade for wear resistance
• 1.2 mm corner radius for versatility
• Rectangular 12 mm size, 90° included angle

Consistent geometry for predictable results

The LNMX 120412 T9125 insert is manufactured to ISO-standard dimensions, which ensures consistent fit and repeatability when paired with compatible holders. The insert’s geometry—defined form, 0° free clearance, tolerance class, fixing style, size and thickness—determines compatibility with a given toolholder. This predictability translates directly into shorter setup times and fewer machine interruptions, as the insert can be exchanged or re-indexed without unexpected changes to cutting position. The ISO conformity also simplifies inventory management for production environments that use standardised tooling.

Robust cutting performance from the T9125 grade

Built on a carbide substrate and specified in the T9125 grade, the cutting edge offers an engineered compromise between hardness and toughness. This composition supports stable cutting edges under cyclic loads and moderates abrasive wear during continuous turning. In practical terms, the material selection reduces the frequency of tool changeovers and maintains surface finish quality over longer tool life. When combined with an appropriate chipbreaker, the grade delivers reliable performance across a range of turning tasks, from light finishing cuts to more demanding passes where edge stability is essential.

Geometry tuned for external and internal turning

The insert’s 1.2 mm corner radius and 90° included angle provide versatility across typical turning applications. The rectangular 12 mm plate with 4.76 mm thickness offers rigidity in the clamping interface, which helps resist vibration and deflection during interrupted cuts or when using overhangs. The rectangular form is especially suitable for stable external turning and can be adapted for internal work with the correct boring bar. Choosing the right chipbreaker and matching the insert to a rigid holder will exploit these geometric strengths, giving improved surface finish and dimensional control.

System approach that reduces downtime

This insert is intended as part of a complete system: the indexable insert, a suitable external holder or boring bar, a shim or clamp set and replacement screws. Keeping spare mounting screws and shims in stock reduces downtime during scheduled changes. The standardised form factor allows straightforward replacement and re-indexing, while the insert’s robustness cuts service frequency. For production shops seeking efficient changeover routines, the combination of ISO compatibility and the T9125 material strategy supports fast, reliable maintenance intervals and predictable process planning.

For precision turning with the Tungaloy T9125 grade, contact Metav Werkzeuge for tailored advice and rapid supply — eMail: info@metav-werkzeuge.com or telephone +49 2822 7131930

Technical data

• Article number: 6861498
• SKU: 6861498-Tungaloy
• Manufacturer SKU: TUN6861498
• Model series: ISO turning indexable inserts
• Designation: LNMX120412

Core specifications

• Corner radius: 1.2 mm
• Included angle: 90°
• Free clearance angle: 0°
• Plate thickness: 4.76 mm
• Plate size: 12 mm

Special features

• Material: carbide
• Grade: T9125 (Tungaloy)
• Plate shape: rectangular
• Hole: special
• Hole style: special
• Chipbreaker: special
• Compatible with ISO toolholders
• System components: insert, holder/boring bar, shim/clamp set, spare screws

FAQ

What are the primary applications for this insert? The LNMX 120412 T9125 indexable insert from Tungaloy is designed for external and internal turning; it is suitable when a balance of wear resistance and edge stability is required.

How can compatibility with existing holders be verified? Compatibility is determined by the insert’s form, free clearance angle, tolerance class, fixing method, size and thickness; check these parameters against the toolholder specifications before fitting the LNMX 120412.

Is this insert suitable for internal turning and boring bars? Yes — the geometry and rectangular form make the insert adaptable for internal turning when paired with an appropriate boring bar and a rigid mounting arrangement.

What advantages does the T9125 grade provide? The T9125 grade offers a balanced combination of wear resistance and toughness, which extends cutting edge life and maintains surface finish under varied turning conditions.

What is delivered with the insert, and are mounting parts included? The listing covers the indexable insert itself (Article number 6861498); holders, shims and mounting screws are part of the overall system and should be ordered separately if not already in inventory.

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.