This LNMU insert provides reliable and efficient milling performance across a wide range of materials. It uses premium carbide to ensure strong wear resistance and long tool life. As a result, users can maintain stable cutting conditions even during continuous machining.
Moreover, the LNMU0303 design improves chip evacuation and reduces cutting resistance. This feature helps operators achieve smoother surface finishes while also protecting the tool edge. In addition, the optimized geometry supports both roughing and semi-finishing applications.
The LNMU0303ZER MJ variant further enhances cutting stability. It performs well in carbon steel, alloy steel, stainless steel, hardened steel, and cast iron. Therefore, it fits perfectly in general machining workshops and CNC production lines.
Furthermore, this milling insert works with standard tool holders, so users can install it quickly without complex adjustments. Whether you need consistent performance or cost-effective machining, this LNMU03 milling insert offers a practical and efficient solution.
Carbide LNMU Insert Demensions:
| Model | L | W | S | d | R |
| LNMU0303ZERT-MJ | 11 | 6 | 3.9 | 2.9 | 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.