Tungaloy TPMT090208-PS T9125 CVD Coated Carbide Turning Insert for Steel - BEYOND

Tungaloy TPMT090208-PS T9125 CVD Coated Carbide Turning Insert for Steel

$57.67 USD

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Description

Tungaloy TPMT090208-PS T9125 Insert

Universal T9125 CVD Grade | -PS Precision Geometry | 0.8mm Radius

What is the best Tungaloy insert for steel semi-finishing?

The Tungaloy TPMT090208-PS T9125 is a high-performance triangular turning insert optimized for general steel machining. Featuring the versatile T9125 CVD coating, this insert provides an ideal balance of wear resistance and fracture toughness, making it the "go-to" choice for ISO P25 applications. The 0.8mm corner radius offers enhanced edge strength, allowing for higher feed rates and increased stability during semi-finishing passes. The -PS (Positive Sharp) chipbreaker ensures clean chip evacuation and low cutting forces. 100% Made in Japan.

T9125 CVD Toughness

Multi-layered CVD coating specifically balanced for P20-P35 steel. It resists chipping and thermal cracking even in light interrupted cuts.

-PS Precision Breaker

The 'Positive Sharp' geometry is engineered to reduce vibration and prevent work-hardening, ensuring a superior surface finish on steel workpieces.

PremiumTec Treatment

Tungaloy's signature surface treatment smoothens the insert face, drastically reducing friction and improving chip flow for longer tool life.

Decoding TPMT 090208-PS Nomenclature

T
Tri
P
11°
M
Tol.
T
Hole
09
Size
02
Thk
08
0.8 Rad
-PS
Chip

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

Feature Metric (ISO) Imperial (ANSI)
Standard Model TPMT090208-PS TPMT 1.81.52-PS
Inscribed Circle (IC) 5.56 mm 7/32"
Thickness (S) 2.38 mm 3/32"
Corner Radius (RE) 0.8 mm 1/32"

Industrial Cutting Parameters

  • Cutting Speed (Vc): 120 - 320 m/min (Optimal: 220 m/min)
  • Feed Rate (f): 0.08 - 0.25 mm/rev
  • Depth of Cut (ap): 0.5 - 2.5 mm

4. Material Grade Comparison Guide

Grade Coating Type Application Range Primary Strength
T9125 CVD ISO P20 - P35 Versatility & General Steel Machining
T9115 CVD ISO P10 - P20 Extreme Wear Resistance for High Speed
NS9530 Uncoated Cermet Superior Surface Gloss & Ra Finish

5. Primary Applications

  • General turning and semi-finishing of Carbon and Alloy Steels.
  • Boring operations requiring stable chip evacuation.
  • Medium-sized component manufacturing in automotive and hydraulic sectors.
  • Suitable for machines where high feed rates are required.

6. Tool Compatibility

Compatible with standard ISO TPMT 0902 tool pockets. Fits STFCR/L internal boring bars and STGCR/L external tool holders. Works with Mazak, Haas, Okuma, and Citizen CNC machines.

7. Why Source from CNCHome-Beyond?

100% Genuine
Direct Tungaloy Japan
Technical Support
B2B Expert Guidance
Global Logistics
Fast Express Shipping
Quality Batch
Verified Performance

Global Machinist Feedback

⭐⭐⭐⭐⭐ "Predictable Life" - Mark T., UK
"T9125 is my daily workhorse. On alloy steel, I get very predictable tool life across large batches. The 0.8mm radius is strong."

⭐⭐⭐⭐⭐ "Great Chip Breaking" - Hans K., Germany
"Even at shallow cuts, the -PS breaker keeps chips short and away from the workpiece. Genuine quality from Japan."

⭐⭐⭐⭐⭐ "Reliable Partner" - Rajesh V., India
"Beyond provided authentic Tungaloy inserts quickly. The T9125 grade handles our light interrupted cuts perfectly."

8. FAQ - Support for Professionals

Q: Can I use T9125 for stainless steel?

A: It can handle some stainless, but for optimal efficiency in ISO M (Stainless), we recommend Tungaloy's AH630 or AH645 grades.

Q: Why choose a 0.8mm radius over 0.4mm?

A: The 0.8mm radius (308) provides a stronger cutting edge and allows for higher feed rates, though it requires more machine rigidity than the 0.4mm (304).

Tech Tip: Steel Grade Selection

The **T9125 CVD grade** is optimized for stability. While T9115 is faster for continuous cuts, T9125 offers the toughness needed for varied real-world shop conditions. **Tungaloy Japan** - Engineering your production advantage.

© Technical Content 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.