Tungaloy VBMT160404-PS T9125 CVD Carbide Turning Insert for Steel Finishing - BEYOND

Tungaloy VBMT160404-PS T9125 CVD Carbide Turning Insert for Steel Finishing

$109.00 USD

Price shown is a starting point. Contact us for a precise quote based on your requirements.

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Description

Tungaloy VBMT160404-PS T9125 Insert

Universal Steel Finishing | CVD Coated Performance | Precision Copy Turning

What is the most reliable insert for precision profiling in steel?

The Tungaloy VBMT160404-PS T9125 is a high-performance CVD-coated carbide insert specifically designed for finishing and semi-finishing operations in steel. Utilizing Tungaloy's proprietary PremiumTec surface technology, the T9125 grade offers a smooth coating that minimizes chip adhesion and prevents micro-cracking. Its 35-degree rhombic geometry provides maximum clearance for intricate profiling, while the 0.4mm corner radius ensures sharp detail and exceptional surface Ra values. Combined with the -PS (Positive Sharp) chipbreaker, this insert maintains stable chip control even at low depths of cut, making it the primary choice for professional CNC machining.

T9125 CVD Coating

A thick TiCN + Al2O3 coating layer provides superior thermal resistance and wear protection, extending tool life in high-speed dry or wet cutting.

-PS Precision Chipbreaker

The positive high-rake design reduces cutting force and vibrations, ensuring high-dimensional accuracy on slender or complex workpieces.

PremiumTec Finish

The specialized post-coating treatment results in an ultra-smooth surface that prevents chips from sticking, leading to better surface finishes.

Decoding VBMT 160404-PS Nomenclature

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

3. Technical Data: ISO (Metric) vs. ANSI (Imperial)

Standard Parameter 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"

Recommended Cutting Parameters

  • Cutting Speed (Vc): 120 - 350 m/min (Ideally 250 m/min)
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

4. Primary Applications

  • Precision finishing and copy turning of steel workpieces.
  • Profiling operations on automotive shafts and gear components.
  • Machining of low-carbon to high-alloy steels under stable conditions.
  • Ideal for parts requiring superior surface Ra and dimensional accuracy.

5. Tool Compatibility

Compatible with standard ISO VBMT 1604 pockets. Optimized for use with SVJCR/L holders and SVUCR/L boring bars. Direct fit for CNC machines from Haas, Mazak, and Doosan.

6. Tungaloy Steel Turning Grade Selection

Grade Coating Target Process Benefit
T9125 CVD General Purpose Balanced Toughness
T9115 CVD High Speed Finishing Wear Resistance
AH725 PVD Interrupted Cutting Chipping Resistance

7. Why Choose Beyond Li?

Genuine Tungaloy
Factory Sealed Original Stock
Expert B2B Support
Machining Parameter Optimization
Secure Shipping
Express Worldwide Logistics

Professional Feedback

⭐⭐⭐⭐⭐ "Excellent Finish" - D. Miller, USA
"The surface finish on alloy steel is mirror-like. Tungaloy's T9125 never disappoints for high-precision finishing."

⭐⭐⭐⭐⭐ "Great Copying Insert" - L. Kowalski, Poland
"We use these for profiling complex shafts. The -PS breaker handles chip breaking perfectly even at shallow depths."

⭐⭐⭐⭐⭐ "Reliable Grade" - B. Schneider, Germany
"Consistent tool life. Beyond Li delivered authentic Japan-made inserts within days. Very satisfied."

⭐⭐⭐⭐⭐ "Sharp and Stable" - T. Sato, Japan
"The 0.4mm radius is very sharp. Essential for the high-precision finishing passes on our lathe."

⭐⭐⭐⭐⭐ "Value for Money" - G. Thompson, UK
"Higher tool life than our previous European supplier. T9125 stays sharp even under heat."

8. FAQ - Engineering Support

Q: Is T9125 suitable for heavy roughing?

A: T9125 is a general-purpose grade that can handle some roughing, but for heavy interrupted roughing, we recommend T9235.

Q: Why choose the -PS breaker for finishing?

A: The -PS is designed for light cutting forces. It prevents vibrating and workpiece chatter, ensuring high-quality surface integrity.

Q: Can this insert be used on aluminum?

A: No. For aluminum and non-ferrous materials, we recommend uncoated sharp grades like the TH10 or cermet grades for better finish.

Machinist Tip: Maximizing Surface Finish

For the best surface finish with the **VBMT160404-PS**, keep your feed rate at approximately 0.1mm/rev. The **0.4mm corner radius** is excellent for precision, but ensuring high cutting speeds will activate the **PremiumTec** coating for a cleaner chip flow. **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.