At CNC Tools Depot, we bring you a wide range of TNGG carbide inserts, trusted by machinists and manufacturers worldwide for their precision, sharpness, and durability. Designed for finishing and semi-finishing applications, TNGG inserts are triangular, double-sided inserts with a ground chipbreaker and sharp cutting edge, making them ideal for high-speed machining and fine surface finishing.

We stock TNGG inserts from world-leading brands like Korloy, Kennametal, Widia, Taegutec, Mitsubishi, Sandvik, Iscar, and more – ensuring you always find the right tool for your CNC operations.

🔍 What Does TNGG Mean? (Insert Nomenclature Explained)

• T → Triangular shape (3 cutting edges per side)

• N → Zero relief angle (neutral clearance, suitable for fine finishing)

• G → Tolerance class (high precision insert with ground edges)

• G → Chipbreaker geometry (optimized for smooth chip evacuation)

This design ensures sharp cutting edges, low cutting resistance, and exceptional surface finish quality.

⚙️ Applications of TNGG Carbide Inserts

TNGG inserts are best suited for precision turning and light cutting operations. Common applications include:

• Finishing & Semi-finishing on steel, stainless steel, and cast iron

• High-speed turning with low cutting forces

• Thin-walled or delicate workpieces where minimal cutting pressure is essential

• Automotive & aerospace components requiring tight tolerances

• General CNC turning operations demanding smooth surface finishes

📌 Types of TNGG Carbide Inserts

TNGG inserts come in different grades, coatings, and chipbreaker styles depending on the material and cutting conditions:

1. Uncoated TNGG Inserts – Ideal for aluminum and non-ferrous metals.

2. CVD Coated TNGG Inserts – Designed for high wear resistance in steel and cast iron.

3. PVD Coated TNGG Inserts – Excellent for stainless steel and super alloys.

4. Fine-Grain TNGG Inserts – For ultra-precision finishing.

5. Special Chipbreaker TNGG Inserts – For smooth chip flow in high-speed cutting.

🌍 Brands Available at CNC Tools Depot

We offer global carbide insert brands under the TNGG category, including:

• Korloy TNGG Inserts

• Kennametal TNGG Inserts

• Widia TNGG Inserts

• Taegutec TNGG Inserts

• Iscar TNGG Inserts

• Mitsubishi TNGG Inserts

• Sandvik Coromant TNGG Inserts