Tungaloy VNMG160412-TM T9125 Turning Insert | 35° Rhombic Robust Steel Cutting - BEYOND

Tungaloy VNMG160412-TM T9125 Turning Insert | 35° Rhombic Robust 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 VNMG160412-TM T9125 Turning Insert

High-Strength Steel Profiling | 1.2mm Radius for Maximum Edge Stability

"Which 35° insert is best for heavy-duty profiling and interrupted steel turning?"

The Tungaloy VNMG160412-TM T9125 is engineered for industrial environments that demand both precision and power. Utilizing the T9125 grade with Tungaloy’s signature PremiumTec CVD coating, this insert provides exceptional resistance to thermal cracking and crater wear. The -TM (Medium Cutting) chipbreaker combined with a robust 1.2mm (R3) corner radius makes this tool highly resistant to chipping, even when machining forged steel or parts with interrupted surfaces. Its 35° rhombic geometry provides the necessary clearance for deep undercuts while maintaining the structural integrity needed for aggressive feed rates.

Decoding VNMG160412-TM Geometry

V
35° Rhombic
N
Negative 0°
M
Tolerance
G
Hole/Slot
16
16mm Length
04
4.76mm Thk
12
1.2mm Rad

Enhanced Radius Strength

The 1.2mm (0.047") nose radius allows for higher feed rates and significantly increases the edge strength compared to 0.4mm or 0.8mm variants.

T9125 CVD Grade

A versatile P20-P30 grade optimized for stability. The PremiumTec surface treatment reduces friction and prevents built-up edge (BUE).

-TM Chipbreaker

Optimized for medium-duty cutting, providing reliable chip control even when depths of cut fluctuate during complex profiling cycles.

Metric & Imperial Technical Standards

ISO Metric ANSI Imperial I.C. (Inches) Thickness
VNMG160412-TM VNMG333-TM 3/8" 4.76 mm (3/16")

Suggested Machining Parameters

Cutting Speed (Vc) 120 - 250 m/min (400 - 820 SFM)
Feed Rate (f) 0.20 - 0.50 mm/rev (.008 - .020 ipr)

Matching Tooling

Compatible with MVJNR/L, DVJNR/L, and SVJNR/L 35° Holders

Shop Genuine Tungaloy VNMG Tool Holders

Typical Applications

  • Heavy profiling on steel shafts and axles.
  • Interrupted cutting on large diameter steel forgings.
  • High-feed medium turning for batch productivity.
  • General fabrication of carbon and alloy steels.

Equipment Compatibility

Optimized for high-torque CNC lathes and turning centers such as Mazak, DMG MORI, Haas, Okuma, and Doosan. Excellent performance in both dry and wet cutting setups.

Tungaloy Steel Grade Overview

Grade Condition Performance Focus
T9115 Continuous Max wear resistance for high speed.
T9125 General Purpose Balanced toughness and profiling stability.
T9225 Heavy Interrupted Maximum impact strength for harsh cuts.

Why Partner with BEYOND CNC?

Authentic Tungaloy
100% Original Supply
Global Logistics
Reliable B2B Export
Technical Support
Director-Led Engineering Help

User Testimonials

⭐⭐⭐⭐⭐ "Bulletproof Profiling" - Steven K., USA
"Switched to the 1.2mm radius for our forging cleanup. The T9125 grade takes the hits without flinching. Great tool life."

⭐⭐⭐⭐⭐ "Perfect Chip Breaking" - Marco V., Italy
"The -TM breaker on this VNMG160412 is excellent for our medium turning. No more stringy chips on 4340 steel."

⭐⭐⭐⭐ "Reliable Performance" - Takumi N., Japan
"Stable finish and predictable wear. Beyond CNC provided fast shipping and expert advice on feed rates."

Technical FAQ

Q: When should I choose the 1.2mm radius over the 0.8mm?

A: Use the 1.2mm radius when you need higher feed rates or when the workpiece has interrupted cuts that would chip a smaller, sharper radius.

Q: Is T9125 suitable for stainless steel?

A: T9125 is primarily a steel (P) grade. For stainless steel (M), grades like AH630 or T6130 are specifically engineered for better results.

Industrial Tip: Maximizing Edge Stability

When using the **VNMG160412-TM**, ensure your setup is rigid. The 1.2mm radius creates higher cutting forces than smaller radii; a firm clamp on the tool holder will prevent vibration and ensure a superior surface finish. **BEYOND CNC** - Excellence Delivered.

© 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.