CNMG 120412 T5105 Wendeplatten - Tungaloy

Take advantage of a robust, CVD-coated carbide grade and precise ISO geometry for steady, high-speed turning of cast iron components; the design reduces downtime and improves surface quality. Order the insert or request technical advice directly via Metav Werkzeuge for fast supply and application support.

CNMG 120412 T5105 indexable insert for turning — Tungaloy

The CNMG120412 T5105 is an ISO-standard rhombic indexable insert for external and internal turning, engineered for high-speed machining of cast iron under stable cutting conditions.

• CVD-coated carbide for high wear resistance
• Double-sided insert with cylindrical hole
• 1.2 mm corner radius for profile versatility
• ISO-standard rhombic insert, 80° geometry

Greater productivity through wear-resistant cutting grade

The CVD-coated carbide substrate of this insert delivers sustained edge life and predictable wear progression when machining grey or nodular cast iron at elevated speeds. The T5105 grade is formulated to tolerate thermal loads and abrasion, which means fewer tool changes and longer uninterrupted runs — a clear contribution to higher overall equipment effectiveness and reduced unit costs. This advantage is particularly relevant for batch production and components requiring consistent surface finish.

Secure mounting and standardised holder compatibility

Designed to ISO geometry, the insert matches conventional clamping systems when holder form, free angle, tolerance class, fastening method, size and thickness are observed. The cylindrical hole and central locating features ensure stable seat and reliable torque transmission to the toolholder, reducing micro-movement during interrupted cuts. As a result, set-up time is shortened and repeatability between assemblies is improved, aiding quicker changeovers on multi-shift shop floors.

Controlled profile and dimensional reliability

The 1.2 mm corner radius and double-sided chipbreaker layout enable consistent profile control with balanced metal removal. The rhombic shape and an 80° included angle help maintain contact conditions favourable for turning operations, while the 4.76 mm plate thickness increases rigidity at the cutting edge. Together these characteristics support tighter tolerances on turned parts and reduce the need for downstream finishing, contributing to process efficiency and part quality.

Clear material and coating information for predictable performance

This indexable plate is produced from a carbide substrate with a CVD-coated wear layer and labelled T5105 for application in high-speed cast-iron turning under stable conditions. The coating improves thermal and abrasive resistance while the carbide core preserves toughness at the cutting edge. When combined with a matching holder and correct cutting data, the insert offers reproducible results and a manageable maintenance cycle for production environments.

For application advice, compatibility checks or to request stock and lead-time details for Tungaloy’s T5105 inserts, contact Metav Werkzeuge at info@metav-werkzeuge.com or call +49 2822 7131930 — our specialists will assist with selection and ordering.

Technical data

• Article number: 6850142
• Manufacturer SKU: TUN6850142
• Brand: Tungaloy
• Designation: CNMG120412 T5105 Tungaloy indexable insert

Facts

• Size: 12 mm
• Thickness: 4.76 mm
• Corner radius: 1.2 mm
• Included angle: 80°
• Relief angle: 0°

Special features

• Material: carbide
• Coating / grade: T5105 (CVD-coated)
• Shape: rhombic
• Hole: with cylindrical hole
• Chipbreaker: double-sided
• Application: turning; high-speed machining of cast iron under stable conditions

FAQ

What materials is this insert suited for?
The CNMG120412 T5105 insert is optimised for machining cast iron at high cutting speeds; the T5105 CVD-coated carbide provides abrasion and thermal resistance suited to that material class.

How is the insert mounted in a toolholder?
Compatibility depends on ISA geometry and holder details: form, free angle, tolerance class, fastening method, size and thickness determine fit; the cylindrical hole secures the plate reliably in ISO-style holders.

Can the insert be indexed to expose fresh cutting edges?
Yes — the plate is double-sided, allowing indexation to a fresh edge by flipping the insert, which extends usable tool life and improves operational economy.

What does the T5105 grade indicate?
T5105 identifies a CVD-coated carbide grade designed for wear resistance under high-speed conditions, offering a balance of thermal stability and abrasive protection for cast-iron turning.

Will this insert fit standard CNMG holders?
The insert conforms to ISO CNMG dimensions (CNMG120412); successful fit requires matching holder geometry and thickness. Verification of holder form and clamping arrangement is recommended before production use.

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.