Ceramic inserts deliver outstanding performance in high-speed machining applications. They resist extreme heat and maintain cutting stability even under demanding conditions. As a result, users can increase cutting speeds while keeping consistent surface quality. Moreover, these ceramic inserts reduce tool wear and improve machining efficiency.
In addition, ceramic inserts perform exceptionally well when machining hardened steel and cast iron. Their hardness allows them to handle difficult materials that often wear out traditional carbide tools. Furthermore, they generate less built-up edge, which helps achieve cleaner finishes. Because of this, operators can rely on these inserts for both roughing and finishing tasks.
These ceramic inserts also offer practical usability in modern CNC machining environments. They fit standard tool holders and allow quick replacement during operation. Whether you run batch production or precision machining, these inserts help you maintain productivity. Therefore, they become a reliable solution for workshops that focus on hard material machining.

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 |
| DNGA150404 | 15.9 | 12.7 | 4.76 | 5.16 | 0.4 |
| DNGA150408 | 15.9 | 12.7 | 4.76 | 5.16 | 0.8 |
| DNGA150412 | 15.9 | 12.7 | 4.76 | 5.16 | 1.2 |
| TNGA160404 | 16.5 | 9.525 | 4.76 | 3.81 | 0.4 |
| TNGA160408 | 16.5 | 9.525 | 4.76 | 3.81 | 0.8 |
| TNGA160412 | 16.5 | 9.525 | 4.76 | 3.81 | 1.2 |
| VNGA160404 | 16.6 | 9.525 | 4.76 | 3.81 | 0.4 |
| VNGA160408 | 16.6 | 9.525 | 4.76 | 3.81 | 0.8 |
| VNGA160412 | 16.6 | 9.525 | 4.76 | 3.81 | 1.2 |
| WNGA080404 | 8.7 | 9.525 | 4.76 | 5.16 | 0.4 |
| WNGA080408 | 8.7 | 9.525 | 4.76 | 5.16 | 0.8 |
| WNGA080412 | 8.7 | 9.525 | 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 | P40-P50 | Suitable for processing steel parts |
| BC090 | PVD | Yellow | P50-P60 | Suitable for processing steel parts |
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.
