Tungaloy WNMG080408-37 NS9530 Cermet Turning Insert for Steel Finishing
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WNMG080408-37 NS9530 Tungaloy Turning Insert
High-Speed Precision Cermet for Superior Surface Integrity
Product Overview
"Which insert is best for achieving a mirror-like surface finish on steel at high speeds while maintaining tight tolerances?"
The Tungaloy WNMG080408-37 NS9530 is a premium Cermet insert designed specifically for finishing operations. Unlike traditional carbide, the NS9530 grade offers exceptional resistance to oxidation and built-up edge (BUE), which is crucial for high-gloss finishes. The -37 Chipbreaker provides a stable cutting edge with a positive rake angle, optimized for light-to-medium cutting depths, ensuring excellent chip control even in ductile steels.
Core Advantages
- NS9530 Cermet Grade: High fracture toughness and wear resistance optimized for P05-P20 range steel.
- Mirror Surface Finish: Cermet's low affinity for steel prevents workpiece welding, resulting in superior gloss.
- -37 Chipbreaker: Engineered for light-load machining, preventing chip bird-nesting in finishing.
- High Dimensional Accuracy: Minimal tool wear maintains tight tolerances throughout long production runs.
Technical Specifications
| Parameter | Metric (ISO) | Imperial (ANSI) |
|---|---|---|
| Model Number | WNMG080408-37 | WNMG432-37 |
| Cutting Speed (Vc) | 150 - 350 m/min | 490 - 1150 sfm |
| Feed Rate (fn) | 0.10 - 0.35 mm/rev | .004 - .014 ipr |
| Depth of Cut (ap) | 0.5 - 2.5 mm | .020 - .100 inch |
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Typical Applications
- Automotive component finishing (Shafts, Gears).
- Bearing steel precision turning.
- High-speed finishing of Carbon and Alloy Steels.
- Precision parts requiring high surface gloss.
Equipment Compatibility
Compatible with all ISO standard CNC Lathes and Turning Centers from brands including Mazak, Haas, Okuma, DMG Mori, and Doosan.
Tungaloy Material Grade Matrix
| Grade | Material Class | Best For |
|---|---|---|
| NS9530 | Cermet | Surface Finish / Gloss |
| T9215 | CVD Carbide | High Speed Wear Resistance |
| AH725 | PVD Carbide | Interrupted Cuts / Toughness |
Trusted by Global Machinists
"NS9530 grade is a lifesaver for our bearing housings. The surface finish is incredible."
— James L., USA"Eccellente finitura su C45. Chipbreaker -37 perfetto per passate leggere."
— Marco B., Italy"Sehr gute Standzeit bei hohen Schnittgeschwindigkeiten. Original Tungaloy Qualität."
— Klaus M., Germany"Consistent tolerances. Highly recommended for CNC production lines."
— Takashi S., JapanFrequently Asked Questions
Q: Why use Cermet (NS9530) instead of Carbide?
A: Cermet has lower chemical affinity for steel, meaning it resists workpiece welding. This results in much smoother, brighter surface finishes compared to carbide.
Q: Is the -37 chipbreaker suitable for roughing?
A: No. The -37 geometry is specifically optimized for light-to-medium finishing. For roughing, we recommend the TM or TH chipbreakers.
Pro Machining Tip: When using NS9530 Cermet, avoid heavy interrupted cuts. To achieve the best finish, ensure you are running at high cutting speeds (Vc) with consistent coolant flow.
Need Help With Tungaloy Inserts?
Looking for a Tungaloy 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 Tungaloy insert is in stock. 24-hour quote response. ISO 9001 certified. Ships from Hangzhou in 3–7 days.
Technical FAQ & Buying Guide
When choosing CNC cutting tools, check the full model code, dimensions, grade and selected variant before ordering. Do not rely on the product image alone.
For carbide inserts, tool holders, drills and end mills, compare the mounting dimensions, connection type and manufacturer's specifications with your holder or machine. If you are unsure, share your existing part number and machining application with us before ordering.
Check the product listing for the selling unit, pack quantity and included components. If it is unclear whether the price is per piece or per pack, or whether a tool body and inserts are sold separately, contact us before purchasing.
Select cutting speed, feed rate and depth of cut using the relevant manufacturer's recommendations for your tool model, workpiece material, machine conditions and coolant method. The same settings are not suitable for every product or application.
Our automatic quantity discount is 6% off for 2–9 items and 12% off for 10 or more items, based on the total product quantity in the cart. Other offers may not combine with this discount; check the applicable offer conditions.
According to our shipping policy, orders are typically processed and shipped within 1–3 business days after confirmation. Delivery generally takes 5–20 business days, depending on your destination and shipping method. Customs clearance or unforeseen delays may affect delivery times. A tracking number is sent by email after shipment.