Korloy Indexable Turning Insert WNMG080404-HM PC9030 | WNMG 431-HM (Imperial Equivalent) PVD Coated Carbide Inserts for Stainless Steel General Turning - 10pcs Box
✓ In Stock & Fast Dispatch: Ships within 24–48 Hours from China
✓ Global Shipping: Express 3–10 Days | Standard 5–15 Days
✓ Guaranteed Quality: 100% Compatibility | Direct Factory Outlet
✓ Technical Support: Need grade selection help? Contact Engineer
Korloy Indexable Turning Insert WNMG080404-HM PC9030 | WNMG 431-HM (Imperial Equivalent) PVD Coated Carbide Inserts for Stainless Steel General Turning - 10pcs Box
High-Performance ISO-Standard 80° Trigon Negative Indexable Turning Cutters for Industrial CNC Austenitic Stainless Steels & Alloy Steels
1. Product Overview
"Which indexable turning insert is best suited for general CNC stainless steel machining, high edge toughness, and stable medium-duty turning passes?" CNC programmers and machine shop supervisors frequently select the Korloy WNMG080404-HM PC9030. This industrial-grade indexable carbide turning insert features an advanced high-performance PC9030 specialized PVD-coated grade optimized for stainless steel and high-temperature alloys, combined with an 80° trigon negative geometry providing 6 usable cutting edges for maximum economic efficiency, a precise 0.4mm corner radius for general contouring, and a specialized -HM chipbreaker engineered with a robust medium-duty groove profile to deliver balanced cutting forces, exceptional fracture resistance, and reliable chip control under versatile machining conditions.
2. Product Key Features
- PC9030 Advanced PVD Coated Grade Technology: A tough, wear-resistant carbide substrate combined with a smooth nano-structured PVD coating engineered specifically to resist built-up edge (BUE), thermal shock, and notch wear during stainless steel general turning.
- Optimized -HM Chipbreaker Geometry: Precision medium-duty chipbreaker design featuring a strong cutting edge profile to balance sharp cutting performance with high fracture resistance across varied feed rates.
- ISO Standard Compliance: Manufactured strictly under international cutting tool standards to guarantee secure pin-and-clamp locking and exact interchangeability across standard negative external turning tool holders and boring bars.
- Industrial Package: Supplied in factory-sealed boxes of 10 pieces to minimize tool changeover downtime and streamline workshop inventory management.
3. Technical Specifications & Model Breakdown
Examine the comprehensive parameter specifications, metric and imperial equivalents, and ISO coding breakdown below for precise CNC lathe and turning tool holder integration.
Metric vs. Imperial Designation Comparison
| Specification Parameter | Metric Standard (ISO) | Imperial Equivalent (ANSI) |
|---|---|---|
| Primary Insert Model | WNMG080404-HM | WNMG 431-HM |
| Inscribed Circle / Size | 8.70 mm (08 series scale equivalent) | 1/2" nominal scale equivalent (4 series) |
| Insert Thickness (04) | 4.76 mm (3/16" thickness class) | 0.1875 inch (3 series / 3/16" scale) |
| Corner Radius (04) | 0.4 mm | 0.0156 inch (1 radius designation scale / 1/64") |
Recommended Cutting Parameters (Feed & Speed)
| Workpiece Material Group | Cutting Speed (vc) m/min | Feed Rate (f) mm/rev |
|---|---|---|
| Austenitic Stainless Steels (M15 - M30) | 130 - 240 | 0.15 - 0.35 |
| Alloy Steels & Carbon Steels (P20 - P35) | 170 - 300 | 0.18 - 0.40 |
Need matching MWLNR/L or PWLNR/L external turning tool holders for your 0804 WNMG inserts?
Explore Compatible Turning Tool Holders & Boring Bars4. Product Application Scenarios
The Korloy WNMG080404-HM PC9030 insert performs exceptionally across industrial pump manufacturing, chemical valve production, general mechanical shafts, and heavy equipment maintenance sectors:
- Industrial Pump Shafts: General turning and medium-duty roughing-to-finishing passes on stainless steel shafts.
- Pipeline Flange Components: Stable face and outer diameter turning on corrosion-resistant industrial fittings.
- General Mechanical Engineering: Versatile cylindrical turning across carbon and alloy steel machine elements.
5. Compatibility
Designed to integrate seamlessly into standard negative industrial turning systems:
- Tool Holders & Boring Bars: Fully compatible with MWLNR/L, PWLNR/L, and DWLNR/L negative lever-lock and pin-lock external tool holders configured for WNMG 0804 series inserts.
- CNC Machinery: Optimized for high-precision CNC lathes, heavy-duty turning centers, and multi-axis turning cells.
6. Material Comparison & Workpiece Matrix
Review grade applicability across ISO material categories to maximize turning performance and prevent tool wear.
| ISO Material Category | Target Materials | PC9030 Performance Suitability |
|---|---|---|
| M (Stainless Steel) | Austenitic and martensitic stainless steels | Excellent (Dedicated PVD Grade Optimized for Stainless General Turning) |
| P (Steel) | Carbon steels, alloy steels | Very Good (Robust Substrate Handles General Alloy Steel Machining) |
| K (Cast Iron) | Gray cast iron, ductile iron | Limited (Recommended to use dedicated CVD grades like NC6210 for cast iron) |
7. Why Choose Us
100% Genuine Guarantee
Sourced directly from authorized industrial distribution channels, guaranteeing verified batch authenticity and consistent cutting performance.
Fast Global Logistics
Maintained warehouse stock and streamlined international shipping networks ensure rapid dispatch to eliminate production delays.
Technical Expertise
Backed by professional CNC application engineers available to provide customized cutting data recommendations and troubleshooting support.
8. Frequently Asked Questions (FAQ)
Q: What makes grade PC9030 ideal for general stainless steel machining?
A: The PC9030 grade pairs a fracture-resistant sub-micron carbide substrate with a high-adhesion PVD nano-coating that resists thermal fatigue and prevents built-up edge during general turning operations.
Q: How many inserts are included in each factory package?
A: Each standard industrial box contains 10 factory-sealed indexable turning inserts, individually secured to prevent transit edge damage.
Q: How does the -HM chipbreaker differ from light finishing breakers?
A: The -HM geometry features a stronger, medium-duty edge profile built for general machining and versatile feeds, whereas light breakers like -HS are restricted to shallow depths of cut.
Technical FAQ & Buying Guide
Absolutely. Our CNC carbide inserts (including CNMG, WNMG, DNMG, and APMT series) are manufactured strictly adhering to international ISO/ANSI specifications. A CNMG 120408 from OYYU BEYOND will flawlessly fit any standard turning tool holder or indexable tool from major global brands like Sandvik Coromant, Kennametal, Iscar, Walter, or SECO, providing a highly cost-effective premium alternative without sacrificing tolerance or tool life.
We offer optimized CVD and PVD multi-layer coatings for different ISO material groups:
- For Carbon/Alloy Steel (ISO P): Choose our thick multi-layer CVD coated grades (e.g., Al2O3 + TiN). They provide exceptional crater wear resistance and thermal barriers during high-speed dry or wet roughing.
- For Stainless Steel (ISO M): Choose our nano-structured PVD coated grades with sharp, positive chipbreakers (like -TM or -MA). This combination prevents work hardening and effectively controls sticky chips.
The optimal cutting parameters vary depending on the workpiece hardness and operation type:
- For General Steel Turnings: Recommended cutting speed ($V_c$) ranges from 150 to 280 m/min, with a feed rate ($f$) of 0.15 to 0.45 mm/rev.
- For Stainless Steel Finishing: Recommended cutting speed ($V_c$) is 120 to 200 m/min, with a feed rate ($f$) of 0.10 to 0.25 mm/rev.Always adjust parameters based on early wear patterns: increase $V_c$ if built-up edge occurs, or reduce $V_c$ if severe flank wear is observed.
Yes, we support machine shops, distributors, and global buyers with tiered wholesale pricing and competitive volume discounts. We also provide OEM custom manufacturing solutions for tool holders and carbide inserts based on your technical drawings. Contact our team to request a quick B2B quotation.
We provide secure worldwide express shipping (via DHL, FedEx, and UPS) with specialized, vibration-proof industrial packaging to ensure tools arrive in perfect condition. In-stock items are dispatched within 24-48 hours, while custom or bulk orders typically have a stable lead time of 15-25 days.
All our cutting tools and tool holders are manufactured strictly in accordance with ISO 9001 and international industrial standards. Every batch undergoes 100% rigorous quality control testing using high-precision optical measuring equipment to ensure reliable tool life and stable performance in continuous mass production.