Korloy WNMG080408-HA PC9030 (WNMG 432-HA) Stainless Steel Turning Insert
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WNMG080408-HA PC9030
High-Feed Finishing | Polished Edge | Stainless Steel Specialist
The Korloy WNMG080408-HA PC9030 (ANSI: WNMG 432-HA) is a premium 80° Trigon turning insert designed for the rigorous demands of Stainless Steel and Heat-Resistant Alloys. Featuring the ultra-sharp, mirror-polished HA geometry and a robust 0.8mm radius, this insert allows for aggressive cycle times while maintaining a vibration-free cut. The PC9030 PVD Grade provides a sophisticated thermal barrier, preventing built-up edge even in high-heat austenitic stainless steels.
Edge Technology
Mirror-polished rake face eliminates chip welding and friction. High positive rake angle shears material with minimal radial force.
Grade Performance
PC9030 PVD coating offers extreme resistance to oxidation and notch wear in 304, 316, and Duplex alloys.
Technical Specifications
| ISO Designation | WNMG 080408-HA |
| ANSI Designation | WNMG 432-HA |
| Corner Radius | 0.8 mm (1/32") |
| Chipbreaker | HA (Polished Finishing) |
| Coating Grade | PC9030 (Premium PVD) |
Recommended Cutting Parameters
| Material | Cutting Speed (Vc) | Feed Rate (fn) | DOC (ap) |
|---|---|---|---|
| 304/316 Stainless | 110 - 190 m/min | 0.10 - 0.25 mm/rev | 0.3 - 2.5 mm |
| Duplex Stainless | 80 - 140 m/min | 0.08 - 0.20 mm/rev | 0.3 - 2.0 mm |
Required Tooling Interface
For rigid, chatter-free performance, pair this insert with:
Selection Tip: R0.8 vs R0.4
Use the R0.8 (432) version when you need to increase your productivity. The larger radius allows for higher feed rates while maintaining an excellent surface finish and provides better resistance against edge chipping in slightly interrupted cuts compared to the R0.4 (431) version.
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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.