CNGA ceramic inserts deliver reliable performance in demanding machining environments. They handle high temperatures with ease and maintain cutting stability during high-speed operations. As a result, users can increase productivity while keeping consistent machining quality. Moreover, these ceramic inserts reduce tool wear and extend service life, which helps lower overall machining costs.
In addition, these CNGA inserts work especially well for hardened steel and cast iron. Their strong hardness allows them to cut difficult materials efficiently without losing edge sharpness. Furthermore, the optimized geometry improves chip control and reduces cutting resistance. Because of this, operators can achieve smoother surface finishes and better dimensional accuracy.
These turning inserts also offer excellent compatibility with standard CNC tool holders. Users can install them quickly and start machining without complicated adjustments. Whether you use CNGA120404, CNGA120408, or CNGA120412, each size supports different machining needs. Therefore, these CNGA cutting tools provide a flexible and efficient solution for modern CNC turning tasks.

Ceramic Inserts Demensions:
| Model | L | IC | S | d | R |
| CNGA120404 | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 |
| CNGA120408 | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 |
| CNGA120412 | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 |
Bwin Grade for Carbide Inserts:
| Grade | Coating | Color | Workpiece material | Application |
| BP020 | CVD | Yellow | P10-P20 | Suitable for semi-finishing to finishing machining of soft steel. |
| BP025 | CVD | Black | P25-P35 | Preferred grade for semi-finishing to finishing steel machining. |
| BP030 | CVD | Yellow | P25-P35 | BP030 is an upgraded version of BP020, Suitable for intermittent cutting of steel. |
| BP050 | CVD | Two-color | P35-P45 | It is suitable for turning of various steels and is the first choice for wear resistance. |
| BP070 | CVD | Colorful | P40-P65 | Suitable for hardened steel and difficult to machine materials |
| BM035 | 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. |
| BM055 | PVD | Purple Gold | M15-M35 | Preferred grade for steel and stainless milling and drilling. |
| BM085 | PVD | Colorful | M30-M55 S15-S40 H15-H55 |
Suitable for difficult to machine materials such as nickel alloys, chromium alloys, etc |
| BN01 | Uncoated | Silver | Suitable for processing non-ferrous metals such as copper and aluminum alloys. | |
| BT015 | PVD | Dark Gray | P20-P30 K10-K30 |
Suitable for steel and cast iron slight milling. |
| BT030 | PVD | Dark purple | P10-P25 M15-M35 |
Suitable for steel and stainless steel continue turning and threading. |
| BT065 | PVD | Yellow | P10-P20 | Good at steel semi-finishing turning, parting and grooving processing, preferred grade for steel milling and drilling. |
| BK115 | CVD | Black | K15-K30 | Suitable grade for semi-finishing to slight interrupted cast iron machining. |
| BC060 | Uncoated | Silver | P30-P40 | Suitable for processing variou steel parts and cast iron. |
| BC075 | Uncoated | Black | P40-P50 | Suitable for processing hardenedsteel and cast iron. |
| BC090 | Uncoated | Yellow | P40-P50 | Suitable for processing hardenedsteel and cast iron. |
Notes: Bwin can supply a wide range varlety of high quality CNC spare parts, such as carbide end mill, carbide insert, Turning bar tool, face milling tool, hole drilling tool, thread tapping tool, carbide burr, tool holder, machine vise, live center, chuck, CNC angle head, carbide saw blade, clamping kit and brand carbide insert. We can provide best parts support for your machine and business. For more information, please contact us at any time.



