Tungaloy VNMG160408-TM T9125 Turning Insert | 35° Rhombic Steel Cutting - BEYOND

Tungaloy VNMG160408-TM T9125 Turning Insert | 35° Rhombic Steel Cutting

$96.82 USD

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

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Description

Tungaloy VNMG160408-TM T9125 Turning Insert

Reliable Steel Profiling | CVD PremiumTec Toughness Grade

"Which insert should I use for versatile steel profiling and medium-duty turning on CNC lathes?"

The Tungaloy VNMG160408-TM T9125 is the industry's answer to demanding steel turning. Engineered with the T9125 grade, this insert utilizes CVD PremiumTec coating technology to provide a perfect balance between wear resistance and edge toughness. The -TM (Medium Cutting) chipbreaker features a specialized land design that ensures stable chip evacuation across a wide range of feed rates. Its 35° rhombic geometry is specifically optimized for profiling, allowing the tool to access narrow contours and steep angles that standard 55° or 80° inserts cannot reach.

VNMG160408-TM Model Nomenclature

V
35° Rhombic
N
Negative 0°
M
Tolerance
G
Clamping
16
16mm Length
04
4.76mm Thk
08
0.8mm Rad

T9125 Toughness Grade

Designed for general steel (P20-P30). Features superior resistance to thermal cracking and chipping, even during interrupted cuts.

-TM Chip Control

The medium-cutting geometry provides excellent chip breaking, preventing the build-up of long chips that cause workpiece scratching.

PremiumTec Treatment

Special surface treatment increases coating adhesion and reduces friction, leading to longer tool life and better finishes.

Metric & Imperial Specifications

Model Type ISO Model ANSI Model I.C. (mm/in)
Metric VNMG 160408-TM --- 9.525 mm
Imperial --- VNMG 332-TM 3/8"

Recommended Cutting Parameters (T9125)

Workpiece Material Cutting Speed (Vc) Feed (f)
Steel / Alloy Steel 100 - 250 m/min 0.15 - 0.40 mm/rev

Required Tool Holders

Compatible with MVJNR/L, DVJNR/L, and SVJNR/L Boring Bars

Browse Authentic Tungaloy Profiling Tool Holders

Primary Applications

  • Turning and profiling of carbon and alloy steels.
  • Machining of forged steel components with scale.
  • Interrupted cutting on shaft surfaces.
  • Automotive and general machinery part production.

Machine Compatibility

Seamlessly integrates with CNC turning centers such as DMG MORI, Mazak, Doosan, Haas, and Okuma. Designed for stability in high-torque environments.

Tungaloy Grade Intelligence Map

Grade Material Target Core Advantage
T9115 P10 - P20 Steel Maximum wear resistance for high-speed continuous.
T9125 P20 - P30 Steel Balanced grade for profiling and general interruptions.
T9225 P25 - P40 Steel Extreme impact strength for heavy roughing/interruption.

Why Partner with BEYOND CNC?

Authentic Tungaloy
100% Genuine Direct Supply
Global Shipping
Fast Export via Hong Kong/CN
Technical Support
Director-Level CNC Expertise

Customer Feedback

⭐⭐⭐⭐⭐ "Great for Profiling" - James W., USA
"The VNMG 332-TM is my go-to for alloy steel profiling. The T9125 grade is tough and the chips break perfectly."

⭐⭐⭐⭐⭐ "Excellent Service" - Hans G., Germany
"Authentic Tungaloy inserts received promptly. We use these on our Mazak machines for steel shafts with great success."

⭐⭐⭐⭐ "Predictable Tool Life" - Yuki S., Japan
"T9125 provides a very stable cutting process. We run large batches of forged steel and the wear is very consistent."

Technical FAQ

Q: Can I use VNMG 160408-TM for finishing?

A: The -TM is a medium-cutting geometry. While it provides a good surface, for high-precision mirror finishing, the -TS or -ZF chipbreaker is recommended.

Q: What is the benefit of the PremiumTec coating?

A: It creates an ultra-smooth surface that significantly reduces friction and prevents workpiece material from welding to the cutting edge.

Tech Tip: Optimizing Edge Toughness

To maximize the performance of **Tungaloy T9125**, ensure you maintain a constant feed rate within the recommended range. Fluctuating feeds during profiling can cause premature chipping on cermet and carbide substrates. **BEYOND CNC** - Excellence in Industrial Tooling.

© Technical Document Authored by Beyond Li - CNC Tooling Technical Director

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.