Tungaloy VBMT160404-PS NS9530 Cermet Turning Insert for Mirror Finish Steel - BEYOND

Tungaloy VBMT160404-PS NS9530 Cermet Turning Insert for Mirror Finish Steel

$74.52 USD

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Description

Tungaloy VBMT160404-PS NS9530 Insert

Professional Cermet Super-Finishing | 35° Rhombic | Mirror Gloss Grade

What is the best insert for a mirror finish on carbon steel?

The Tungaloy VBMT160404-PS NS9530 represents the pinnacle of surface-finishing technology. Unlike traditional carbide, the NS9530 cermet grade (Ceramic-Metal composite) provides unparalleled resistance to built-up edge (BUE) and chemical wear. This results in a workpiece with a bright, "mirror-like" appearance that often eliminates the need for secondary grinding or polishing. The 16mm edge length provides significant stability for profiling larger components, while the 0.4mm radius ensures high-precision details and superior surface Ra values. Designed and manufactured by Tungaloy Japan for elite CNC operations.

Super-Finishing Cermet

Titanium-based cermet substrate offers extreme thermal stability and anti-oxidation properties, preventing material welding at the cutting edge.

-PS High-Sharpness Geometry

The "Positive Sharp" chipbreaker is specifically designed to handle fine chips at low depths of cut, ensuring a clean profile without scratching the surface.

High Speed Stability

Maintains edge integrity at high RPMs, allowing for faster cycle times while achieving tighter dimensional tolerances.

Decoding VBMT 160404-PS Nomenclature

V
35° Rhom
B
5° Relief
M
Tolerance
T
Hole/Sinter
16
16mm
04
4.76mm
04
0.4 Rad
-PS
Sharp

3. Technical Data: ISO vs. ANSI Comparison

Feature Metric (ISO) Imperial (ANSI)
Standard Model VBMT160404-PS VBMT 331-PS
Inscribed Circle (IC) 9.525 mm 3/8"
Thickness (S) 4.76 mm 3/16"
Corner Radius (RE) 0.4 mm 1/64"

Super-Finishing Parameters

  • Cutting Speed (Vc): 130 - 350 m/min (Ideally 250 m/min)
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.1 - 1.2 mm

4. Industrial Applications

  • Final super-finishing of precision automotive shafts.
  • Profiling complex contours on carbon and alloy steel parts.
  • High-gloss turning for medical and aerospace hardware.
  • Machining of watch components and miniature precision gears.

5. Tool Compatibility

Standard ISO VBMT 1604 pocket. Optimized for SVJCR/L external profiling holders and SVUCR/L internal boring bars. Perfect for Citizen, Mazak, Haas, and DMG Mori CNC Lathes.

6. Tungaloy Finishing Matrix

Grade Composition Target Application Resulting Finish
NS9530 Cermet Precision Steel Finishing Mirror / Ultra-Gloss
AH725 PVD Carbide General Finishing/Stainless Bright Industrial
T9125 CVD Carbide High Speed Steel Machining Clean Matte

7. Why Choose Beyond Li?

100% Genuine
Direct Factory Source
Industrial Expertise
Professional B2B Support
Global Logistics
Fast Express Shipping

Global Machinist Reviews

⭐⭐⭐⭐⭐ "Mirror Surface Perfection" - L. Schneider, Germany
"NS9530 is a miracle grade for our steel finishing. The parts come out looking like they were polished by hand. Excellent tool life at 280 m/min."

⭐⭐⭐⭐⭐ "Consistent Accuracy" - H. Sato, Japan
"The 0.4mm radius and -PS breaker make profiling very easy. Dimensions stay within 0.005mm across 500 parts."

⭐⭐⭐⭐⭐ "Best for Finish Passes" - Marcus V., USA
"Authentic Tungaloy stock from Beyond Li. Arrived in California in 4 days. These cermets outlasted my previous coated carbide inserts for gloss finishes."

⭐⭐⭐⭐⭐ "No Built-up Edge" - E. Rossi, Italy
"Usually I have issues with steel sticking to the tip, but with cermet NS9530, the edge stays clean and sharp. Highly recommended."

⭐⭐⭐⭐⭐ "Stable Profiling" - D. Miller, Australia
"Perfect for the complex contours on our automotive project. No vibration even on slender shafts."

8. FAQ - Engineering Support

Q: Can I use this cermet for stainless steel?

A: While it can work on stainless, cermet is brittle. For stainless finishing, we recommend the AH725 carbide grade for better toughness. Use NS9530 primarily for carbon and alloy steels.

Q: Should I use coolant with cermet inserts?

A: For the best surface gloss, high-speed dry machining is often preferred. However, stable coolant flow is also fine to control temperature in long runs.

Q: Why choose the 16mm insert over the 11mm size?

A: The 16mm edge length offers more stability and better heat dissipation for larger components or slightly deeper finishing cuts.

Tech Tip: Achieving Mirror Gloss

To maximize the **NS9530 cermet** performance, maintain a high cutting speed (Vc) and a light feed. Heat generated during high-speed cutting helps soften the chip, allowing the **sharp cermet edge** to glide through without micro-chipping. **Tungaloy Japan** - Excellence in Finishing.

© Technical Content by cnchome-beyond.com - Global CNC Tool Authority

Technical FAQ & Buying Guide

Are your carbide inserts interchangeable with major brands like Sandvik, Iscar, or Kennametal?

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.

How do I choose the correct insert grade and chipbreaker for machining Stainless Steel (M) vs. Carbon Steel (P)?

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.
What are the recommended cutting speed (Vc) and feed rate (f) parameters to maximize tool life?

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.
Do you offer bulk discounts or wholesale pricing for machine shops and distributors?

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.

What is your international shipping policy and typical lead time for orders?

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.

How do you guarantee the quality and tolerance precision of your CNC tools?

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.