MRMN300-M Full Radius Grooving Insert | Double Sided Round Groover Carbide Profile Turning Insert
- Brand: Bwin
- Material: Solid carbide
- Insert Style: MRMN
- Insert Grade: BP020, BM035, BT015, BN01
- Cleanrance Angle: 7°
- Package: 10pcs/box
- Machining Parts Material: Carbon steel, alloy steel, stainless steel, cast iron, aluminum, copper.
- Country of Origin: China
Excels in stainless semi-finishing, parting, and grooving; the preferred grade for versatile steel and stainless milling/drilling.Double-sided Round Groover
The MRMN300-M full radius grooving insert provides outstanding performance for grooving, profiling, and turning operations across a wide range of materials. This insert efficiently machines carbon steel, alloy steel, stainless steel, cast iron, aluminum, and copper while maintaining excellent cutting stability and tool life. Its optimized round nose geometry promotes smooth material removal and improves surface quality during machining.
Moreover, the MRMN300-M insert functions as a highly effective double sides round groover, allowing users to maximize insert utilization and reduce tooling costs. Additionally, the precision-ground cutting edges enhance chip evacuation, minimize cutting resistance, and support consistent machining accuracy. As a result, manufacturers can achieve higher productivity and improved process reliability.
Furthermore, this full radius profile turning insert performs exceptionally well in both roughing and finishing applications. In addition, the durable carbide substrate increases wear resistance and extends service life under demanding cutting conditions. Therefore, the MRMN300-M remains an excellent choice for profile turning inserts, radiused inserts for grooving & turning, round nose grooving tips, and MRMN 300 carbide inserts for steel in modern CNC machining operations.
BWIN Round Nose Grooving Tips Specification:
| Model | b | r | L | d | t |
| MRMN200-M | 2.0 | 1.0 | 16 | 1.6 | 3.5 |
| MRMN300-M | 3.0 | 1.5 | 21 | 2.35 | 4.8 |
| MRMN400-M | 4.0 | 2.0 | 21 | 3.3 | 4.8 |
| MRMN500-M | 5.0 | 2.5 | 26 | 4.4 | 5.8 |
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 | Excels in stainless semi-finishing, parting, and grooving; the preferred grade for versatile steel and stainless milling/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. |