FAQ
WNMG-PV\43 Steel workpiece turning insert
China Lizhou Hard Alloy Source Factory
Product Name:steel turning insert
Coating : CVD
Brand number:LPC202\302
Classification :
Turning insert
keyword:
lizhou
WNMG080404-PV/43 Carbide Turning Inserts – High-Performance Solutions from a Trusted Carbide Manufacturer
Introduction
In modern metalworking, efficiency, precision, and tool reliability define success. As a carbide manufacturer with over 30 years of experience, we proudly present our WNMG080404-PV and WNMG080404-43 carbide turning inserts, engineered for demanding machining applications. These inserts are designed to deliver superior wear resistance, exceptional stability, and outstanding productivity in turning operations.
Whether used in automotive parts, aerospace components, heavy machinery, or general manufacturing, WNMG inserts offer the perfect balance of toughness and sharpness to handle a wide range of materials, including steel, stainless steel, cast iron, and superalloys.
Type | Basic Dimensions (mm) | Cutting Data | CVD | |||||||
I.C | S | D | R | Cutting Depth (mm) | Feed ( mm/tooth ) | LPC102 | LPC202 | LPC302 | LPC352 | |
WNMG080404R- PV | 12.70 | 4.76 | 5.16 | 0.4 | 1.20-5.00 | 0.15-0.50 |
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WNMG080404L-PV | 12.70 | 4.76 | 5.16 | 0.4 | 1.20-5.00 | 0.15-0.50 |
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WNMG080408R-PV | 12.70 | 4.76 | 5.16 | 0.8 | 1.20-5.00 | 0.15-0.50 |
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WNMG080404L-PV | 12.70 | 4.76 | 5.16 | 0.8 | 1.20-5.00 | 0.15-0.50 |
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WNMG080404-43 | 12.70 | 4.76 | 5.16 | 0.4 | 0.70-4.80 | 0.12-0.52 |
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WNMG080408-43 | 12.70 | 4.76 | 5.16 | 0.8 | 0.70-4.80 | 0.12-0.52 |
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WNMG080412-43 | 12.70 | 4.76 | 5.16 | 1.2 | 0.70-4.80 | 0.12-0.52 |
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WNMG080404R-PV Product Model Analysis:
1. WNMG (insert shape and type)
Letter | Meaning |
|---|---|
W | Blade shape: negative rake hexagon, high rigidity, suitable for heavy-duty machining. |
N | Back rake type: usually 0° back rake (forms the actual cutting angle in combination with the tool holder). |
M | Tolerance grade: medium precision (ISO standard tolerance range: blade thickness ±0.13mm, inscribed circle diameter ±0.08mm). |
G | Fixing method: with center hole, needs to be clamped with screws (commonly used for negative rake). |
2. 080404 (Dimensional parameters)
Parameter | Value | ISO standard corresponding size | Application scenarios |
|---|---|---|---|
08 (IC value) | Blade length | 9.525 mm ( 3/8 inch ) | More economical for machining small and medium-sized workpieces. |
04 ( S VALUE | Blade thickness | 4.76 mm ( 3/16 inch ) | It combines rigidity and versatility and is suitable for semi-finishing. |
04 ( R value | Tip radius | 0.4 mm | Balance surface finish and edge strength. |
3. R (direction type)
R: represents the right side
4. PV:
Manufacturer-defined code, usually indicating coating, grade, or chip breaker optimization (e.g., multilayer coating or applicable material).

Performance Advantages of WNMG080404-PV/43 Inserts
High Wear Resistance
Manufactured from advanced carbide substrates with optimized grain size and cobalt content.
Special coatings (TiN, TiAlN, or PVD/CVD multilayers) extend tool life under high-speed and dry-cutting conditions.
Stable Cutting Action
Neutral 0° relief angle ensures edge robustness, making it ideal for continuous and interrupted cuts.
Strong 80° trigon design provides resistance against tool breakage.
Superior Chip Control
PV chipbreaker allows smooth chip flow, preventing entanglement and improving surface finish.
43 geometry supports consistent chip formation in medium and fine turning.
Versatile Machining Capability
Suitable for steel, stainless steel, cast iron, and high-temperature alloys.
Works in both roughing and finishing operations.
Cost-Effectiveness
Double-sided design offers six cutting edges, reducing tooling cost per part.
Applications of WNMG080404-PV/43 Inserts
These carbide turning inserts are widely used across industries that demand high productivity and reliability:
Automotive Industry – Machining of engine components, shafts, gears, and brake systems.
Aerospace Manufacturing – Precision turning of titanium and nickel alloys for turbine parts and structural elements.
Heavy Machinery – Large-diameter turning of shafts, bearings, and construction equipment parts.
General Engineering – Production of fasteners, fittings, hydraulic parts, and valves.
Oil & Gas Equipment – Turning operations in high-strength steels used for drilling and pipeline components.

Key Features of WNMG080404-PV/43 Inserts
Geometry Excellence
Trigon shape (W) ensures both strength and versatility.
Neutral clearance design provides better support during heavy cuts.
Chipbreaker Efficiency
PV breaker: Effective in low to medium feed rates, ensures chip curling and prevents re-cutting.
43 breaker: Designed for medium turning, stabilizes cutting forces for better dimensional accuracy.
Optimized Surface Finish
Corner radius (0.4 mm) balances tool strength and fine surface quality.
Coated cutting edge reduces built-up edge formation.
High Productivity
Six cutting edges per insert maximize efficiency.
High-speed cutting capability increases throughput.
Compatibility
Fits standard tool holders, making it easy to integrate into existing CNC setups.
Precautions and Best Practices
To maximize insert life and machining performance, consider the following:
Correct Insert Selection – Match geometry (PV vs. 43) to the material and cutting condition.
Cutting Parameters – Adjust feed rate, depth of cut, and cutting speed according to ISO recommendations.
Coolant Application – Use coolant effectively for stainless steel and superalloys to prevent thermal cracking.
Avoid Vibration – Ensure rigid setup to prevent chattering, which can damage the insert edge.
Regular Indexing – Rotate to a fresh cutting edge before severe wear to maximize tool efficiency.

Technological and Innovative Aspects
As a hard alloy manufacturer with 33 years of expertise, we implement cutting-edge innovations in the WNMG series:
Advanced Coating Technology
Multilayer CVD and PVD coatings engineered to resist abrasion, adhesion, and oxidation.
Nanocomposite layers enhance high-temperature performance.
Special Substrate Design
Fine-grain carbide substrate for toughness.
Controlled cobalt binder ratio for improved edge strength.
Chipbreaker Engineering
Proprietary chipbreaker designs (PV and 43) ensure stable machining across a wide range of operations.
Patented Edge Preparation
Honed and polished edges reduce friction, improve chip evacuation, and extend tool life.
Why Choose Our WNMG080404-PV/43 Inserts?
Trusted Manufacturer – Over 30 years of carbide expertise.
OEM & Customization – Ability to design inserts according to customer requirements.
Global Supply Chain – Serving clients in automotive, aerospace, oil & gas, and general machining industries worldwide.
Strict Quality Control – ISO-certified production and inspection standards.
Frequently Asked Questions
Q1: Does WNMG080404-MA conform to ISO standards?
A: Yes, WNMG blades follow the ISO 1832 standard, with common dimensions and tolerances, and are compatible with standard tool holders.
Q2: Can it be used for intermittent cutting of stainless steel?
A: Intermittent cutting is supported, but it is necessary to ensure edge strengthening (e.g., micro chamfer) and reduce the feed rate to avoid chipping.
Q3: What is the delivery time? Is there overseas warehouse stock?
A: The delivery time for regular models is 15 days (shipping from China). There is currently no overseas warehouse stock in Europe and America (delivery time 10-20 days). The delivery time for customized products is 30-45 days.
Q4: Does it support customized LOGO or packaging?
A: Supports outer box LOGO printing (MOQ ≥ 50 boxes), vacuum rust-proof packaging can be customized, design documents need to be provided
Conclusion
The WNMG080404-PV and WNMG080404-43 carbide turning inserts embody the core strengths of modern machining: durability, precision, and cost-effectiveness. With optimized geometry, advanced coatings, and six available cutting edges, these inserts are indispensable tools for manufacturers seeking to enhance productivity and achieve superior surface quality.
By integrating these inserts into CNC turning operations, businesses can benefit from longer tool life, reduced downtime, and lower cost per component.
If you are looking for a reliable carbide insert supplier with technical expertise and global manufacturing capacity, our WNMG series inserts represent the perfect solution for your turning needs.
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