SNMG 190612 T5125 Wendeplatten - Tungaloy

Reliable combination of CVD-coated carbide grade T5125 and an ISO-compatible square form yields stable chip control and extended life in interrupted cutting conditions; the double-sided chipbreaker and 1.2 mm corner radius support productive turning under variable stability. Order the insert directly via Metav Werkzeuge or consult our specialists for application guidance.

SNMG 190612 T5125 indexable insert for turning — Tungaloy

A SNMG 190612 T5125 indexable turning insert designed for ISO-standard holders, optimised for machining cast iron and for interrupted cuts where toughness and chip control are required.

• CVD-coated carbide grade T5125
• For cast iron and interrupted cuts
• ISO 190612 square, 6.35 mm thick
• Double-sided chipbreaker, 1.2 mm radius

Productivity where interrupted cuts occur

The insert delivers a clear advantage in applications with irregular chip formation thanks to the T5125 grade, a CVD-coated carbide blend that balances toughness and wear resistance. This composition reduces edge chipping during interrupted cuts and supports stable cutting under less rigid setups, which translates to fewer insert changes and higher net machining time. The double-sided chipbreaker simplifies inventory and allows two cutting edges per index, promoting economical use and consistent surface finish. For operations on cast components, the tougher substrate mitigates microfracture risks while maintaining acceptable edge life.

Compatibility and secure clamping for predictable results

Designed as an ISO-standard item, the insert matches holders by form, relief angle, tolerance class, clamping method, size and thickness to ensure secure seating and repeatable geometry. The combination of ISO 190612, a square outline and a 6.35 mm thickness gives robust support in the pocket, reducing vibration and enabling easier set-up. The central cylindrical hole ensures reliable clamping with standard screws or clamping kits. Clear specifications on form and angles minimise trial-and-error during tool selection and accelerate first-cut success in batch or single-piece production.

Coating and substrate explained for practical decision-making

The CVD-coated surface provides a dense, firmly adhered coating that enhances resistance to abrasive wear and thermal loading. Backed by a tough carbide substrate, the coating-grade pairing is intentionally selected for materials that generate discontinuous chips or where cutting forces spike intermittently. Compared with some very hard coatings that favour continuous finishing cuts, this configuration gives a compromise between wear resistance and edge strength, making it suitable for turning operations on cast iron and mixed-material batches where machining conditions can vary.

Operational benefits on the shop floor

Using an insert with a 1.2 mm corner radius and a dedicated chipbreaker simplifies process planning: larger radii improve tool life and support higher feed rates where component tolerances permit, while the chipbreaker shapes swarf for safer evacuation and consistent surface quality. The insert’s square geometry provides multiple indexable edges, aiding cost efficiency. Selection of the correct chipbreaker and grade for the workpiece material and machine stability remains essential; matching these parameters reduces rework and supports predictable production cycles. For set-up questions or material-specific recommendations, technical consultation is available.

Contact Metav Werkzeuge for tailored machining advice and to source the Tungaloy SNMG 190612 T5125 indexable insert for reliable, efficient turning operations

Technical data

• Article number: 6853000
• SKU: 6853000-Tungaloy
• Manufacturer SKU: TUN6853000
• Model series: ISO turning indexable inserts

Facts

• Corner radius: 1.2 mm
• Thickness: 6.35 mm
• Plate size: 19 mm
• Relief angle: 0°
• Cutting angle: 90°

Special features

• Material: carbide
• Coating / grade: T5125 (CVD-coated)
• Shape: square
• Double-sided chipbreaker
• Included hole: cylindrical
• Application: external and internal turning
• Suited to cast iron and interrupted cuts

FAQ

What materials is this insert best suited for? The SNMG 190612 T5125 insert from Tungaloy is intended primarily for cast iron and similar materials; the T5125 grade and CVD-coated carbide substrate are chosen to resist chipping in interrupted cuts.

Can this insert be used in standard ISO holders? Yes. The insert follows the ISO 190612 form and is compatible with holders that match the shape, relief angle, thickness and clamping style; secure seating is achieved via the cylindrical hole and standard clamping hardware.

How many cutting edges are available per insert? This square, double-sided insert provides multiple indexable edges; each side can be rotated to present a fresh edge, improving economy and reducing downtime for replacements.

What advantages does the T5125 coating provide? The T5125 coating is a CVD finish applied to a tough carbide substrate; it offers a balance of wear resistance and edge strength that is beneficial when machining cast iron and when facing interrupted or unstable cutting conditions.

Is the SNMG 190612 suitable for internal turning as well as external turning? Yes, the geometry and thickness make the insert appropriate for both external and internal turning operations, provided the correct holder and machining parameters are selected to ensure rigidity and chip evacuation.

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.