SNMG Series Carbide Inserts | High-Performance Negative Rake Turning Tools
Premium SNMG Indexable Inserts for Heavy-Duty Machining
ZWEIMENTOOL SNMG series carbide inserts provide exceptional stability and cost efficiency for heavy roughing and general turning applications. These square-shaped negative rake inserts offer 8 cutting edges and are available with multiple advanced coatings to maximize tool life across various materials.
Key Product Benefits:
- 8 cutting edges per insert - Industry-leading economy
- Negative rake geometry - Superior edge strength for interrupted cuts
- Multiple coating options - Optimized for different material groups
- Precision-ground surfaces - Ensuring consistent performance (±0.005mm)
- Wide range of nose radii - From 0.4mm to 1.6mm
Technical Specifications
1. SNMG Insert Dimensions (ISO Standard)
| Insert Code |
IC (mm) |
Thickness (mm) |
Nose Radius (mm) |
Hole Size (mm) |
Edge Length (mm) |
| SNMG120408 |
12.70 |
4.76 |
0.8 |
4.78 |
12.70 |
| SNMG120412 |
12.70 |
4.76 |
1.2 |
4.78 |
12.70 |
| SNMG160408 |
15.875 |
6.35 |
0.8 |
6.35 |
15.875 |
| SNMG160416 |
15.875 |
6.35 |
1.6 |
6.35 |
15.875 |
2. Material Grades & Applications
| Grade Code |
Substrate |
Coating |
Hardness (HV) |
Best For |
Working Temperature |
| SN-800 |
Ultra-fine WC+Co |
TiAlN |
3200 |
Carbon steels |
Up to 800°C |
| SN-850 |
Nano-grade WC+Co |
AlTiN |
3500 |
Hardened steels |
Up to 900°C |
| SN-700 |
WC-TiC-TaC |
TiCN |
3000 |
Stainless steel |
Up to 400°C |
| SN-600 |
Submicron WC |
DLC |
2500 |
Aluminum alloys |
Up to 500°C |
| SN-500 |
WC+Ni binder |
None |
- |
High-temp alloys |
- |
3. Coating Performance Comparison
| Coating |
Thickness |
Color |
Friction Coeff. |
Wear Resistance |
Best Applications |
| TiAlN |
2-3μm |
Purple |
0.4 |
Excellent |
General turning |
| AlTiN |
3-4μm |
Black |
0.35 |
Outstanding |
Hard machining |
| TiCN |
3-5μm |
Gold |
0.5 |
Very Good |
Stainless steel |
| DLC |
1-2μm |
Gray |
0.2 |
Good |
Non-ferrous |
| Uncoated |
- |
Silver |
0.6 |
Fair |
Composites |
Recommended Cutting Parameters
| Material |
Speed (m/min) |
Feed (mm/rev) |
Depth of Cut (mm) |
Application |
| Low C Steel |
180-280 |
0.20-0.35 |
2.0-6.0 |
Roughing |
| Alloy Steel |
120-200 |
0.15-0.25 |
1.5-4.0 |
General |
| Stainless |
80-150 |
0.10-0.20 |
1.0-3.0 |
Finishing |
| Cast Iron |
150-250 |
0.25-0.40 |
2.0-8.0 |
Heavy roughing |
| Titanium |
50-100 |
0.08-0.15 |
0.8-2.0 |
Aerospace |
Unique Product Features
1. Enhanced Negative Rake Design
- 5° negative rake angle for maximum edge strength
- Superior performance in interrupted cuts
- 30% higher depth of cut capacity than positive rake inserts
2. Advanced Chipbreaker Options
- Three specialized geometries:
- HR (Heavy Roughing)
- MR (Medium Roughing)
- MF (Medium Finishing)
- Optimized chip control across all feed ranges
3. Precision Manufacturing
- German-made CNC grinding machines
- ±0.005mm dimensional tolerance
- Mirror finish on critical surfaces (Ra 0.1μm)
Quality Assurance
- ISO 9001:2015 Certified manufacturing facility
- 100% dimensional inspection with optical comparators
- Material certification for each production batch
- Performance testing on various material groups
Why Choose ZWEIMENTOOL SNMG Inserts?
15+ years of carbide tool manufacturing expertise
Top raw materials for consistent quality
Custom solutions available (special geometries/coatings)
Global inventory with fast delivery (3-5 working days)
Technical support for optimal insert selection
