Tungaloy VNMG160404-TM T9125 Turning Insert | 35° Rhombic Carbide for Steel - BEYOND

Tungaloy VNMG160404-TM T9125 Turning Insert | 35° Rhombic Carbide for Steel

$96.82 USD

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Description

Tungaloy VNMG160404-TM T9125 Turning Insert

Toughness-Enhanced Steel Machining | CVD PremiumTec Grade

Which insert grade provides the best edge reliability for interrupted steel turning and profiling?

The Tungaloy VNMG160404-TM T9125 is a high-toughness turning solution designed for general to medium-duty machining of steel and alloy steel. Featuring the T9125 grade with PremiumTec surface treatment, this insert is the industrial standard for applications where edge stability is critical. The -TM (Medium Cutting) chipbreaker is specifically engineered with a robust land and optimized rake angle to control chips across a wide range of feed rates, preventing long, stringy chips from damaging the workpiece or machine. Its 35° rhombic shape allows for intricate profiling and deep clearance, essential for complex CNC turning cycles.

Decoding VNMG160404-TM Specification

V
35° Rhombic
N
Negative 0°
M
Tolerance
G
Clamping
16
16mm Length
04
4.76mm Thk
04
0.4mm Rad

T9125 CVD Toughness

Balanced grade for P20-P35 steel. Exceptional resistance to thermal cracking and chipping during interrupted cuts.

TM Chip Geometry

Versatile medium-cutting breaker that provides stable chip breaking in both high-depth and light-depth profiling passes.

PremiumTec Surface

Specialized coating post-treatment that reduces friction, prevents built-up edge (BUE), and extends tool life.

Metric & Imperial Technical Cross-Reference

ISO Model ANSI Model I.C. (Inches) Nose Radius
VNMG 160404-TM VNMG 331-TM 3/8" 0.4 mm (.016")

Cutting Speed (Vc) & Feed (f) Guide

Carbon Steel (T9125) Vc: 120 - 280 m/min | f: 0.1 - 0.35 mm/rev
Alloy Steel (T9125) Vc: 100 - 220 m/min | f: 0.08 - 0.3 mm/rev

Tool Holder Compatibility

Matches with MVJNR/L, DVJNR/L, and SVJNR/L Tooling Series

Shop Genuine Tungaloy Boring Bars & Tool Holders

Industrial Applications

  • Precision profiling of automotive crankshafts.
  • Turning alloy steel parts with minor interruptions.
  • General fabrication in job shops using various steel grades.
  • Complex finishing cycles requiring deep clearance.

CNC Compatibility

Tested and verified for performance on high-end CNC platforms including Mazak, DMG MORI, Okuma, Haas, and Doosan. Optimized for stability in medium-duty operations.

Tungaloy Steel Grade Comparison

Grade Steel Classification Primary Trait
T9115 P10 - P20 Highest wear resistance for continuous cutting.
T9125 P20 - P30 Balanced toughness for general & profiling work.
T9225 P25 - P40 Maximum impact strength for heavy interruptions.

Why Partner with BEYOND CNC?

Authentic Tungaloy
100% Genuine Direct Supply
Global Logistics
Fast Export via HK/Mainland
Director Expertise
CNC Tool Technical Support

Industrial User Feedback

⭐⭐⭐⭐⭐ "Reliable Profiling Performance" - Robert T., USA
"Using the VNMG 331-TM on our 4140 parts. The T9125 grade handles the occasional interruption without chipping. Very impressed."

⭐⭐⭐⭐⭐ "Excellent Service from Beyond" - Klaus M., Germany
"Authentic Tungaloy inserts delivered quickly. The -TM chipbreaker is my first choice for medium profiling cycles."

⭐⭐⭐⭐ "Stable Surface Finish" - Kenji H., Japan
"T9125 maintains a good finish even when cutting speeds drop. A very versatile grade for various steel types."

Technical FAQ

Q: Is T9125 suitable for high-speed continuous cutting?

A: T9125 is a balanced grade. For high-speed continuous steel cutting, T9115 offers better wear resistance. T9125 shines in varying conditions and light interruptions.

Q: What is the difference between -TM and -TS chipbreakers?

A: -TM is designed for medium cutting (general purpose), while -TS is optimized for finishing operations with lighter depths of cut.

Industrial Tip: Avoiding Built-Up Edge

To maximize the performance of **Tungaloy T9125**, ensure you maintain a cutting speed above 120 m/min in steel. The **PremiumTec** coating thrives at heat, reducing built-up edge and improving surface integrity. **BEYOND CNC** - Powering Precision.

© 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.