Tungaloy TNMG220404R-S T9125 Right-Hand CVD Coated Carbide Turning Insert for Steel - BEYOND

Tungaloy TNMG220404R-S T9125 Right-Hand CVD Coated Carbide Turning Insert for Steel

$99.47 USD

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

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Description

Tungaloy TNMG220404R-S T9125 Turning Insert

Professional Right-Hand Machining | T9125 CVD Technology | RS Finishing Geometry

What is the best 22mm right-hand insert for high-speed steel finishing?

The Tungaloy TNMG220404R-S T9125 is a premium, industrial-grade turning insert designed for specialized right-hand (R) machining cycles. Engineered for precision finishing of carbon and alloy steels, this 22mm size insert provides maximum rigidity and stability in heavy-duty CNC environments. Featuring the T9125 CVD coated carbide grade, it excels in heat resistance and edge retention. The -S (RS) chipbreaker is specialized for light-duty finishing, delivering exceptional chip control and a superior surface finish. 100% Made in Japan, it is the standard for high-performance B2B machining applications.

T9125 CVD Grade

Designed with a thick Al2O3 layer for extreme heat resistance. This grade prevents crater wear and plastic deformation during high-speed continuous turning.

RS (-S) Finishing Chipbreaker

A sharp, precision-ground geometry that reduces cutting forces. It manages chips effectively even at low depths of cut, ensuring a mirror-like finish.

22mm Heavy Rigidity

The TNMG 22 size offers a larger contact area for the tool holder, significantly reducing vibration and improving accuracy in larger workpieces.

Decoding TNMG 220404R-S Nomenclature

T
Tri
N
M
Tol.
G
D-Side
22
Size
04
Thk
04
0.4 Rad
R
RH
-S
Chip

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

Technical Feature Metric (ISO) Imperial (ANSI)
Standard Model TNMG220404R-S TNMG 431R-S
Inscribed Circle (IC) 12.7 mm 1/2"
Thickness (S) 4.76 mm 3/16"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Finishing Parameters (Steel)

  • Cutting Speed (Vc): 150 - 320 m/min
  • Feed Rate (f): 0.05 - 0.20 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

*Pro-Tip: Maintaining high cutting speeds with T9125 grade provides peak luster. High-pressure coolant is recommended for deep-finishing applications.*

4. Primary Applications

  • Precision finishing of carbon and alloy steels (P15-P30).
  • Final dimensioning of large diameter shafts and valves.
  • Boring operations requiring right-hand tool rotation.
  • Automotive components with tight tolerance requirements.

5. Tool Compatibility

Fits all standard ISO/ANSI TNMG 2204 tool holders. Optimized for Right-Hand (RH) configurations like MTJNR or WTJNR. Compatible with DMG Mori, Mazak, and Okuma CNC machines.

7. Why Source from CNCHome-Beyond?

100% Original
Tungaloy Japan Stock
Technical Experts
Global B2B Support
Global Logistics
Express Air Delivery
Verified Stock
Factory Sealed Packaging

Customer Feedback from Global Operations

⭐⭐⭐⭐⭐ "Incredible Stability" - James K., USA
"The larger 22 size is rock solid. We use these for finishing 4140 steel shafts. The right-hand geometry is exactly what our CNC setup needed."

⭐⭐⭐⭐⭐ "Original Quality" - Markus D., Germany
"Exactly as described. Authentic Tungaloy boxes. The T9125 grade provides a very predictable wear pattern over long shifts."

⭐⭐⭐⭐ "Great Chip Management" - Hiroshi S., Japan
"Consistent results. The -S chipbreaker manages long-stringy chips perfectly even at shallow depths of cut."

⭐⭐⭐⭐⭐ "Reliable B2B Partner" - Carlos M., Mexico
"Beyond always provides original stock. Fast shipping to our factory. The technical data provided was very accurate for our setup."

⭐⭐⭐⭐⭐ "Excellent Finish" - Alistair M., UK
"Precise radius and very sharp cutting edge. The surface finish on our finished parts is mirror-like. Best value for Tungaloy."

8. FAQ - Machine Shop Support

Q: What is the benefit of the TNMG 22 size over the 16 size?

A: The TNMG 22 size offers a larger mass and seating area, which leads to better heat dissipation and significantly higher rigidity during finishing of larger workpieces.

Q: Can I use T9125 for stainless steel?

A: T9125 is optimized for carbon and alloy steels (P-group). For stainless steel finishing, Tungaloy's T6100 series or AH series grades are recommended.

Q: Why choose the -S chipbreaker?

A: The -S (RS) chipbreaker is specifically designed for light finishing. It reduces cutting resistance and prevents vibration, which is crucial for achieving high surface quality.

Tech Tip: Optimizing CVD Performance

To maximize tool life with **T9125**, maintain a high cutting speed to prevent built-up edge (BUE). High speeds allow the CVD coating to work at peak thermal efficiency. **Tungaloy Japan** - Engineering excellence for precision machining.

© Technical Data 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.