Tungaloy TNMG160404R-S T9125 Right-Hand CVD Coated Carbide Turning Insert for Steel - BEYOND

Tungaloy TNMG160404R-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.

american expressmasterpaypalvisaapple paygoogle payshopify pay
Order in the next [totalHours] hours %M minutes to get it between and
Description

Tungaloy TNMG160404R-S T9125 Turning Insert

Right-Hand Precision Steel Machining | T9125 CVD Technology | -S Finishing Geometry

What is the best right-hand carbide insert for precision steel finishing?

The Tungaloy TNMG160404R-S T9125 is a professional-grade, right-hand (R) oriented turning insert specifically engineered for high-performance finishing of carbon and alloy steels. Utilizing the T9125 CVD coated carbide grade, it provides an exceptional balance of wear resistance and fracture toughness, even under high-speed cutting conditions. The -S (RS) chipbreaker is specialized for light-duty finishing, ensuring excellent chip evacuation and a superior surface finish. 100% Made in Japan, this industrial tool is the benchmark for CNC shops requiring precision right-hand tools for high-speed machining cycles.

T9125 CVD Grade

A premium CVD coated grade optimized for steel. The thick coating layer provides high heat resistance, significantly extending tool life during high-speed continuous cutting.

-S (RS) Finishing Chipbreaker

Designed for light-duty finishing. Its sharp geometry reduces cutting forces and manages chips effectively at low feed rates, delivering a high-quality surface finish.

Right-Hand (R) Design

The 'R' designation specifies a right-hand cutting direction, allowing for optimized chip flow when used in standard tool holders for precise outward turning.

Decoding TNMG 160404R-S Nomenclature

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

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

Technical Feature Metric (ISO) Imperial (ANSI)
Standard Model TNMG160404R-S TNMG 331R-S
Inscribed Circle (IC) 9.525 mm 3/8"
Thickness (S) 4.76 mm 3/16"
Corner Radius (RE) 0.4 mm 1/64"

Recommended Cutting 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 provides a superior surface luster. Ensure the setup is rigid for maximum precision.*

4. Primary Applications

  • Precision finishing of carbon and alloy steels (P15-P30).
  • Automotive components requiring tight surface tolerances.
  • High-precision outward turning and boring operations.
  • Final passes on hardened shafts and gear blanks.

5. Tool Compatibility

Fits all standard ISO/ANSI TNMG 1604 pockets. Optimized for Right-Hand (RH) tool holders such as MTJNR, WTJNR, or DTGNR series. Perfect for high-speed CNC turning centers.

7. Why Source from CNCHome-Beyond?

100% Genuine
Original Tungaloy Japan
Technical Experts
CNC Solutions Support
B2B Logistics
Global Express Shipping
Verified Stock
Factory Sealed Packaging

Machinist Feedback from Worldwide

⭐⭐⭐⭐⭐ "Superb Steel Finish" - James K., USA
"The T9125 grade is incredibly stable. Used this right-hand insert for finishing 4140 steel, and the surface finish was mirror-like."

⭐⭐⭐⭐⭐ "Authentic Japan Quality" - Dieter S., Germany
"Exactly as described. Authentic Tungaloy boxes. The -S chipbreaker manages the chips perfectly at low feed rates."

⭐⭐⭐⭐ "Great for Mass Production" - Hiroshi S., Japan
"Consistent wear life over large batches. Right-hand geometry fits our standard turret perfectly. Excellent tool life."

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

⭐⭐⭐⭐⭐ "Exceptional Value" - Alistair M., UK
"Precise radius and very sharp cutting edge. Excellent value for original Tungaloy parts. Technical data was spot on."

8. FAQ - Machine Shop Technicals

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 optimized for carbon and alloy steels (ISO P). For stainless steel finishing, we recommend Tungaloy's T6100 or AH series grades for better results.

Q: What is the benefit of the -S chipbreaker?

A: The -S (or RS) chipbreaker is specifically designed for light-duty finishing. It reduces cutting resistance and prevents vibration during thin-walled or high-precision cuts.

Tech Tip: Optimizing CVD Tool Life

To maximize **T9125 grade** performance, maintain a constant cutting speed and avoid low speeds that cause built-up edge (BUE). High speeds allow the CVD coating to work at peak thermal efficiency. **Tungaloy Japan** - Excellence in precision cutting technology.

© 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.