Tungaloy TNMG160408R-S T9125 Right-Hand CVD Coated Carbide Turning Insert for Steel - BEYOND

Tungaloy TNMG160408R-S T9125 Right-Hand CVD Coated Carbide Turning Insert for Steel

$69.92 USD

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

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Description

Tungaloy TNMG160408R-S T9125 Turning Insert

Right-Hand High-Efficiency Machining | T9125 CVD Grade | RS Finishing Geometry

What is the most reliable right-hand insert for high-speed steel finishing?

The Tungaloy TNMG160408R-S T9125 is a premium, right-hand (R) oriented turning insert engineered for high-stability finishing of carbon and alloy steels. Utilizing the world-renowned T9125 CVD coated carbide grade, it offers an industry-leading balance of wear resistance and fracture toughness. The -S (RS) chipbreaker is specifically designed for light-duty finishing passes, ensuring excellent chip evacuation and preventing surface marring. With a 0.8mm corner radius for enhanced edge strength, this 100% Made in Japan tool is the benchmark for B2B industrial CNC operations.

T9125 CVD Coating

Equipped with a thick Al2O3 layer for superior heat insulation. This prevents plastic deformation and crater wear during high-velocity continuous cutting of steel.

RS (-S) Finishing Geometry

A sharp finishing geometry that significantly reduces cutting resistance, allowing for vibration-free operations and mirror-like surface finishes.

Right-Hand (R) Designation

Optimized for right-hand tool holder configurations, ensuring the chip flow is directed away from the workpiece during precision turning.

Decoding TNMG 160408R-S Nomenclature

T
Tri
N
M
Tol.
G
D-Side
16
Size
04
Thk
08
0.8 Rad
R
RH
-S
Chip

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

Technical Feature Metric (ISO) Imperial (ANSI)
Standard Model TNMG160408R-S TNMG 332R-S
Inscribed Circle (IC) 9.525 mm 3/8"
Thickness (S) 4.76 mm 3/16"
Corner Radius (RE) 0.8 mm 1/32"

Recommended Finishing Parameters (Steel)

  • Cutting Speed (Vc): 150 - 320 m/min
  • Feed Rate (f): 0.10 - 0.35 mm/rev
  • Depth of Cut (ap): 0.2 - 1.5 mm

*Pro-Tip: For optimal life, maintain constant cutting speeds. T9125 grade's Al2O3 coating functions best under high thermal loads during high-speed finishing.*

4. Primary Applications

  • Precision finishing of carbon and alloy steels.
  • Continuous turning operations in mass production.
  • Final dimensioning of gears, axles, and mechanical shafts.
  • Boring and finishing operations requiring tight tolerances.

5. Tool Compatibility

Pairs perfectly with standard ISO/ANSI TNMG 1604 pockets. Optimized for Right-Hand (RH) tool holders such as MTJNR, WTJNR, or DTGNR. Fully compatible with Haas, Mazak, and Mori Seiki lathes.

7. Why Source from CNCHome-Beyond?

100% Original
Tungaloy Japan Stock
Technical Experts
Professional Support
B2B Logistics
Express Global Shipping
Verified Stock
Sealed Original Box

Machinist Feedback from Worldwide

⭐⭐⭐⭐⭐ "Extremely Stable Finish" - James K., USA
"The T9125 grade is incredibly stable. Used this for finishing 4140 steel, and the surface Ra was perfect. Great edge life."

⭐⭐⭐⭐⭐ "Original Quality stock" - Markus D., Germany
"Exactly as described. Authentic Tungaloy boxes. The 0.8mm radius is strong and the chipbreaker prevents any tangling."

⭐⭐⭐⭐ "Great Chip Control" - Hiroshi S., Japan
"Consistent performance in alloy steel. The right-hand geometry is perfect for our standard tool blocks. Very reliable."

⭐⭐⭐⭐⭐ "Reliable B2B Partner" - Carlos M., Mexico
"Beyond always provides original stock. Fast shipping to our facility. Tungaloy's CVD coating is superior for steel."

⭐⭐⭐⭐⭐ "Exceptional Surface Luster" - Alistair M., UK
"Precise radius and very sharp cutting edge. Excellent value for original Tungaloy parts. Surface finish is top-notch."

8. FAQ - Professional Support

Q: What does the 'R' in the model number stand for?

A: The 'R' stands for Right-Hand orientation. This specifies the cutting direction and chipbreaker geometry for optimal performance in RH tool holders.

Q: Can I use T9125 for stainless steel?

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

Q: Is this insert compatible with standard boring bars?

A: Yes, it fits any standard ISO/ANSI boring bar that accepts a TNMG 1604 (33x) size pocket.

Tech Tip: Optimizing CVD Efficiency

To maximize tool life with **T9125**, maintain a high cutting speed to prevent built-up edge (BUE). High speeds allow the Al2O3 coating to operate 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.