Carbide Drilling Insert SPMG 050204 / SPMG 060204
- Brand: Bwin
- Material: Tungsten carbide
- Insert Style: SPMG
- Insert Grade: BT015, BM035, BM085
- Chip Breaker: TG, PG
- Insert Shape and Angle: 90°
- Package: 10pcs/box
- Machining Parts Material: Carbon steel, alloy steel, stainless steel, cast iron, mould steel, hardened steel, etc
The carbide drilling insert SPMG 050204 and SPMG 060204 is designed for high-efficiency drilling operations in CNC machining. Manufactured from premium carbide material, this drilling insert delivers excellent wear resistance, heat resistance, and cutting stability.
Suitable for machining stainless steel, alloy steel, carbon steel and other hard-to-cut materials, the SPMG drilling insert ensures smooth chip evacuation, reduced cutting forces, and extended tool life. It is widely used in U drills and indexable drilling tools for industrial metalworking applications.
| Model | L | IC | S | d | R |
| SPMG 050204-TG BM085 | 5 | 5 | 2.38 | 2.25 | 0.4 |
| SPMG 060204-TG BM085 | 6 | 6 | 2.38 | 2.61 | 0.4 |
| SPMG 07T308-TG BM085 | 7.94 | 7.94 | 3.97 | 2.85 | 0.8 |
| SPMG 090408-TG BM085 | 9.8 | 9.8 | 4.76 | 4.05 | 0.8 |
| SPMG 110408-TG BM085 | 11.5 | 11.5 | 4.76 | 4.45 | 0.8 |
| SPMG 140512-TG BM085 | 14.3 | 14.3 | 5.2 | 5.75 | 1.2 |
| Bwin Grade for Carbide Inserts | ||||
| Bwin 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 |
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