CNMG120408 Carbide Inserts | Premium Gold-Coated CNC Turning Tools
ZWEIMENTOOL CNMG120408 carbide inserts deliver exceptional turning performance with their 80° diamond shape and gold TiCN coating. These negative rake inserts are engineered for heavy-duty roughing and semi-finishing operations across various materials.
Key Product Benefits
- 4 cutting edges per insert for maximum economy
- TiCN gold coating for superior wear resistance
- Multiple chipbreaker options for optimal chip control
- Precision-ground edges (±0.005mm tolerance)
- Excellent thermal stability in high-temperature applications
Technical Specifications
1. CNMG120408 Insert Dimensions (ISO Standard)
| Parameter |
Specification |
Tolerance |
| Insert Shape |
80° Diamond |
- |
| Inscribed Circle (IC) |
12.70mm |
±0.013mm |
| Thickness |
4.76mm |
±0.025mm |
| Nose Radius |
0.8mm |
±0.05mm |
| Hole Diameter |
4.78mm |
±0.013mm |
| Edge Length |
12.70mm |
±0.1mm |
2. Available Grades & Coatings
| Grade Code |
Substrate |
Coating |
Coating Color |
Hardness (HV) |
Best Applications |
| CN-200 |
Ultra-fine WC+Co |
TiCN (Gold) |
Gold |
3000 |
Carbon/alloy steels |
| CN-250 |
Nano-grade WC+Co |
TiAlN |
Purple |
3200 |
General purpose |
| CN-300 |
WC-TiC-TaC |
AlTiN |
Black |
3500 |
Hardened steels |
| CN-350 |
Submicron WC |
DLC |
Gray |
2500 |
Non-ferrous metals |
| CN-400 |
WC+Ni binder |
Uncoated |
Silver |
- |
High-temp alloys |
3. Coating Performance Comparison
| Coating Type |
Thickness (μm) |
Max Temp (°C) |
Friction Coefficient |
Best For |
| TiCN (Gold) |
3-5 |
400 |
0.5 |
General turning |
| TiAlN |
2-3 |
800 |
0.4 |
High-speed cutting |
| AlTiN |
3-4 |
900 |
0.35 |
Hard machining |
| DLC |
1-2 |
500 |
0.2 |
Aluminum alloys |
| Uncoated |
- |
- |
0.6 |
Composites |
Recommended Cutting Parameters
| Material Group |
Cutting Speed (m/min) |
Feed Rate (mm/rev) |
Depth of Cut (mm) |
| Carbon Steel |
150-280 |
0.15-0.30 |
1.0-4.0 |
| Alloy Steel |
120-220 |
0.12-0.25 |
0.8-3.0 |
| Stainless Steel |
80-150 |
0.10-0.20 |
0.5-2.5 |
| Cast Iron |
150-250 |
0.18-0.35 |
1.5-5.0 |
| Titanium |
50-100 |
0.08-0.15 |
0.5-1.5 |
Unique Product Features
1. Advanced TiCN Coating Technology
- Gold-colored titanium carbonitride coating
- Excellent abrasion resistance
- Lower friction coefficient than standard coatings
2. Optimized Chipbreaker Designs
- Available in 3 chipbreaker styles:
- MF (medium finish)
- MR (medium roughing)
- HR (heavy roughing)
- Effective chip control across various feeds
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 comparators
- Batch traceability with unique heat numbers
- Rigorous performance testing before shipment
Why Choose ZWEIMENTOOL CNMG120408 Inserts?
- 15+ years of carbide tool manufacturing experience
- European-grade CNC grinding equipment (±0.005mm)
- Custom solutions available (special edge preps/coatings)
- Global inventory for fast delivery (3-5 working days)
- Technical support team for application optimization