Features:
- Triangular carbide milling insert available in TPKN2204 and TPKN1603, engineered for efficient machining of stainless steel, alloy steel and carbon steel.
- This triangular carbide milling insert, offered in TPKN2204 and TPKN1603 specifications, delivers excellent wear resistance, sharp cutting performance and long tool life. The TPKN design provides high stability and consistent chip removal, making it ideal for machining stainless steel, alloy steel and carbon steel. Its precision-ground hole ensures secure clamping, while the coated surface enhances durability during high-speed milling operations. Suitable for face milling, shoulder milling and general metal machining applications.

| Model | L | IC | S | d | R |
| TPKN160304 | 16.5 | 9.525 | 3.18 | 1.2 | 0.4 |
| TPKN1603PDSR-Q1 | 16.5 | 9.525 | 3.18 | 1.2 | 0.4 |
| TPKN2204PDSR-Q1 | 22 | 12.7 | 4.76 | 1.4 | 1 |
Grade for Carbide Inserts | ||||
Sotanik 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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