Korloy WNMG080408-HA NC3020 (WNMG 432-HA) Sharp Steel Turning Insert
Price shown is a starting point. Contact us for a precise quote based on your requirements.
WNMG080408-HA NC3020
Specialist Solution for Low-Resistance & Anti-Vibration Steel Turning
The Original Korloy WNMG080408-HA NC3020 (ANSI: WNMG 432-HA) is a high-performance 80° Trigon insert engineered for stability in challenging steel applications. By combining the ultra-sharp HA Chipbreaker—traditionally used for aluminum—with the robust NC3020 CVD Coating, this insert acts as a "surgical tool" for Carbon Steel and Alloy Steel. It is specifically designed to eliminate chatter in thin-walled parts or long-overhang setups.
Core Performance Benefits
- Ultra-Low Cutting Resistance: The high positive rake angle of the HA geometry slices through steel, drastically reducing machine load and radial forces.
- Premium NC3020 CVD Coating: Provides exceptional thermal stability and wear resistance, optimized for continuous high-speed steel turning.
- Optimized R0.8 Radius: The 0.8mm (1/32") corner offers a perfect balance of edge strength and superior surface finish quality.
- 6-Edge Trigon Economy: Get 50% more productivity per insert compared to 4-edged CNMG diamond shapes, significantly lowering your cost-per-part.
Technical Specifications
| Attribute | Details |
|---|---|
| ISO Designation | WNMG 080408-HA |
| ANSI Designation | WNMG 432-HA |
| Corner Radius (r) | 0.8 mm (1/32") |
| Grade | NC3020 (High-Performance CVD) |
| Chipbreaker | HA (Sharp Edge / Anti-Vibration) |
Recommended Cutting Data
* Values are starting points; adjust based on machine rigidity and part hardness.
| Workpiece Material | Cutting Speed (Vc) | Feed Rate (fn) | Depth of Cut (ap) |
|---|---|---|---|
| Mild Steel (A3/1018) | 180 - 320 m/min | 0.10 - 0.28 mm/rev | 0.5 - 3.0 mm |
| Alloy Steel (4140/SCM440) | 140 - 260 m/min | 0.08 - 0.22 mm/rev | 0.5 - 2.5 mm |
⚠️ For maximum stability, use with professional tool holders:
Selection Tip: NC3020 vs. PC5300
NC3020 (CVD Coating): Your first choice for High-Speed Steel Turning. It offers superior wear resistance and thermal protection for continuous mass production.
PC5300 (PVD Coating): Better for Interrupted Cuts or stainless steel machining where toughness is prioritized over high-speed wear resistance.
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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.