Korloy Indexable Turning Insert WNMG080408-HS PC5300 | WNMG 432-HS (Imperial Equivalent) PVD Coated Carbide Inserts for Stainless Steel and Tough Alloy Machining - 10pcs Box
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Korloy Indexable Turning Insert WNMG080408-HS PC5300 | WNMG 432-HS (Imperial Equivalent) PVD Coated Carbide Inserts for Stainless Steel & Tough Alloy Machining - 10pcs Box
High-Performance ISO-Standard 80° Trigon Negative Indexable Turning Cutters for Industrial CNC Stainless Steels, Superalloys & Precision Finishing Operations
1. Product Overview
"Which indexable turning insert is best suited for precision CNC stainless steel finishing and high-temperature alloy machining requiring superior fracture resistance, excellent thermal shock stability, and smooth chip evacuation across complex profiles?" CNC programmers and machine shop supervisors frequently select the Korloy WNMG080408-HS PC5300. This industrial-grade indexable carbide turning insert features an advanced high-performance PC5300 specialized PVD-coated grade optimized for difficult-to-machine stainless steels and heat-resistant superalloys, combined with an 80° trigon negative geometry providing 6 usable cutting edges for maximum economic efficiency, a precise 0.8mm corner radius for fine surface finishes during finishing passes, and a specialized -HS chipbreaker engineered to provide low cutting forces, sharp positive rake behavior, and outstanding chip control during light-to-medium turning passes.
2. Product Key Features
- PC5300 Advanced PVD Coated Grade Technology: A tough, fracture-resistant carbide substrate paired with a specialized high-performance PVD coating designed to withstand severe thermal cycling and chemical wear in stainless steel and superalloy turning.
- Optimized -HS Chipbreaker Geometry: Specialized sharp-edge geometry designed to reduce cutting resistance and control stringy, gummy stainless steel chips effectively at lower-to-moderate 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 | WNMG080408-HS | WNMG 432-HS |
| 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 (08) | 0.8 mm | 0.0313 inch (2 radius designation scale / 1/32") |
Recommended Cutting Parameters (Feed & Speed)
| Workpiece Material Group | Cutting Speed (vc) m/min | Feed Rate (f) mm/rev |
|---|---|---|
| Austenitic & Duplex Stainless Steels (M15 - M35) | 130 - 240 | 0.12 - 0.28 |
| Heat-Resistant Superalloys & Titanium (S10 - S25) | 40 - 90 | 0.08 - 0.20 |
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 WNMG080408-HS PC5300 insert performs exceptionally across aerospace engineering, marine hardware, energy turbine manufacturing, and precision chemical processing sectors:
- Aerospace Turbine Ring Components: Fine finishing and contour profiling on heat-resistant nickel-based superalloys (Inconel, Waspaloy) under intermittent or stable conditions.
- Marine Stainless Steel Shafting: Precision finishing passes on corrosion-resistant duplex and austenitic stainless steel shafts.
- Chemical Processing Valves & Fittings: Tight-tolerance exterior turning on specialized high-alloy components requiring pristine surface integrity.
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 CNC lathes, multi-tasking turning centers, and vertical turning lathes processing stainless steel and superalloy workpieces.
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 | PC5300 Performance Suitability |
|---|---|---|
| M (Stainless Steel) | Austenitic, duplex, and precipitation-hardening stainless steels | Excellent (Dedicated PVD Grade for Tough Stainless Steel Machining) |
| S (Superalloys) | Nickel-base, cobalt-base, and titanium alloys | Excellent (High thermal shock and wear resistance in HRSA turning) |
| P (Steel) | Low alloy steels and structural carbon steels | Moderate (Applicable for light finishing passes under stable conditions) |
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 is the primary difference between the PC5300 grade and general PVD grades when machining stainless steel?
A: The PC5300 grade utilizes an upgraded tough substrate combined with a specialized high-adhesion PVD coating engineered specifically to resist thermal fatigue and built-up edge when machining gummy stainless steels and difficult superalloys.
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: What advantages do WNMG trigon inserts offer over rhombic inserts for profiling?
A: WNMG trigon inserts provide 6 usable cutting edges (3 per side) compared to 4 edges on rhombic options, delivering superior operational economy and stable clamping rigidity.
Need Help With KORLOY Inserts?
Looking for a KORLOY equivalent, alternative grade, or sample catalog? Our CNC specialists have helped 50+ manufacturers in aerospace, automotive, and medical machining source the right tooling at 30–50% lower cost than OEM prices.
This KORLOY insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
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.