CNMM Carbide Turning Insert for Heavy-Duty Machining
CNMM carbide turning insert for heavy-duty CNC machining of alloy steel and carbon steel.
The CNMM carbide turning insert is engineered for heavy-duty CNC turning operations involving alloy steel and carbon steel. With a strong carbide substrate and reinforced cutting edge design, the CNMM insert provides excellent resistance to impact, vibration and edge chipping under high material removal conditions.
Designed for rough turning and heavy stock removal, the CNMM insert delivers stable cutting performance, efficient chip evacuation and extended tool life. It is widely used in machinery manufacturing, automotive components and general heavy machining applications where strength and reliability are critical.

| Model | L | IC | S | d | R |
| CNMM190612-HP | 19.3 | 19.05 | 6.35 | 7.94 | 1.2 |
| CNMM190616-HP | 19.3 | 19.05 | 6.35 | 7.94 | 1.6 |
| CNMM190624-HP | 19.3 | 19.05 | 6.35 | 7.94 | 2.4 |
| CNMM250724-HP | 25.4 | 25.4 | 7.94 | 9.12 | 2.4 |
| CNMM250924-HP | 25.4 | 25.4 | 9.525 | 9.12 | 2.4 |
Sotanik Grade for Carbide Inserts | ||||
Grade | Coating | Color | Workpiece material | Application |
HP1020 | CVD | Yellow | P10-P20 | Suitable for semi-finishing to finishing steel machining. |
HP1025 | CVD | Black | P15-P30 | Preferred grade for semi-finishing to finishing steel machining. |
HP1050 | CVD | Two-color | P30-P45 | It is suitable for turning of various steels and is the first choice for wear resistance. |
HT2015 | PVD | Dark Gray | P20-P30 K10-K30 | Suitable for steel and cast iron slight milling. |
HT2030 | PVD | Dark purple | P10-P25 M15-M35 | Suitable for steel and stainless steel continue turning and threading. |
HT2065 | PVD | Yellow | P10-P20 | Good at steel semi-finishing turning, parting and grooving processing, preferred grade for steel and stainless steel milling and drilling. |
HM2035 | PVD | Dark purple | M10-M30 | Good at stainless steel semi-finishing turning, parting and grooving processing, preferred grade for steel and stainless steel milling and drilling. |
HM2055 | PVD | Gray | M15-M35 | Preferred grade for steel and stainless milling and drilling. |
HH6120 | PVD | Colorful | M30-M55 S15-S40 H15-H55 | Newly upgraded coating technology, the new king of steel milling; Enhanced tip design, excellent impact resistance. |
HK3115 | CVD | Black | K15-K30 | Suitable grade for semi-finishing to slight interrupted cast iron machining. |











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