WNMG Series Carbide Inserts | High-Performance CNC Turning Tools
ZWEIMENTOOL WNMG series carbide inserts represent the pinnacle of negative rake turning technology, offering exceptional durability and cost efficiency for various machining operations. These 80° rhomboid-shaped inserts feature 6 cutting edges and are available with multiple coating options to suit different material requirements.
Key Product Advantages
- 6 cutting edges per insert - Maximizing tool economy
- Multiple coating options - Optimized for different materials
- Negative rake geometry - Superior edge strength for heavy cuts
- Precision-ground surfaces - Ensuring consistent performance
- Wide range of nose radii - From 0.4mm to 1.2mm
Technical Specifications
1. WNMG Insert Dimensions (ISO Standard)
| Insert Code |
IC (mm) |
Thickness (mm) |
Nose Radius (mm) |
Hole Size (mm) |
Edge Length (mm) |
| WNMG060408 |
6.35 |
3.97 |
0.8 |
2.50 |
6.35 |
| WNMG080408 |
8.00 |
4.76 |
0.8 |
3.30 |
8.00 |
| WNMG120408 |
12.70 |
4.76 |
0.8 |
4.78 |
12.70 |
| WNMG160612 |
15.875 |
6.35 |
1.2 |
6.35 |
15.875 |
2. Material Grades & Applications
| Grade Code |
Substrate Composition |
Coating |
Hardness (HV) |
Best Applications |
| WN-2000 |
Ultra-fine WC+6%Co |
TiAlN |
3200 |
General steel machining |
| WN-2500 |
Nano-grade WC+8%Co |
AlTiN |
3500 |
Hardened steels (>45HRC) |
| WN-3000 |
WC-TiC-TaC composite |
TiCN |
3000 |
Stainless steel |
| WN-3500 |
Submicron WC |
DLC |
2500 |
Aluminum alloys |
| WN-4000 |
WC+Ni binder |
Uncoated |
- |
High-temperature alloys |
3. Coating Performance Comparison
| Coating Type |
Thickness (μm) |
Max Temp (°C) |
Friction Coefficient |
Color |
Best For |
| TiAlN |
2-3 |
800 |
0.4 |
Purple |
General turning |
| AlTiN |
3-4 |
900 |
0.35 |
Black |
Hard machining |
| TiCN |
3-5 |
400 |
0.5 |
Gold |
Stainless steel |
| DLC |
1-2 |
500 |
0.2 |
Gray |
Non-ferrous |
| Uncoated |
- |
- |
0.6 |
Silver |
Composites |
Recommended Cutting Parameters
| Material Group |
Cutting Speed (m/min) |
Feed Rate (mm/rev) |
Depth of Cut (mm) |
| Carbon Steel |
120-280 |
0.15-0.35 |
1.0-5.0 |
| Alloy Steel |
100-220 |
0.12-0.25 |
0.8-3.0 |
| Stainless Steel |
80-160 |
0.10-0.20 |
0.5-2.5 |
| Cast Iron |
150-300 |
0.18-0.40 |
1.5-6.0 |
| Titanium |
50-120 |
0.08-0.15 |
0.5-1.5 |
Unique Product Features
1. Advanced Negative Rake Design
- 5° negative rake angle for superior edge strength
- Allows heavier cuts than positive rake inserts
- Improved stability in interrupted cuts
2. Optimized Chipbreaker Technology
- Three chipbreaker options available:
- F-type for finishing
- M-type for medium machining
- R-type for roughing
- Effective chip control across various feed rates
3. Precision Edge Preparation
- Honed edge radii (20-50μm)
- T-land edge strengthening
- Improved edge durability by 30-40%
Quality Assurance
- ISO 9001:2015 Certified manufacturing process
- 100% dimensional inspection with optical measurement
- Batch traceability with unique identification codes
- Performance testing on various material groups
Why Choose ZWEIMENTOOL WNMG Inserts?
- German-engineered CNC grinding technology (±0.005mm)
- Top carbide substrates for consistent quality
- Custom solutions available (special geometries/coatings)
- Global inventory for fast delivery (2-5 working days)
- Technical support for application optimization