Tungaloy CCMT09T308-PS AH725 Turning Insert
High-Stability Steel & Stainless Machining | Tough AH725 PVD Grade | 0.8mm Radius
How does the CCMT09T308-PS AH725 improve CNC turning stability?
The Tungaloy CCMT09T308-PS AH725 is a high-performance PVD coated carbide turning insert designed for maximum versatility and edge strength. Utilizing the premium AH725 grade, this insert features a tough carbide substrate coupled with a specialized PVD coating that excels in preventing built-up edges on "sticky" materials like stainless steel and low-carbon steel. The PS-style chipbreaker is precision-engineered for finishing to light semi-finishing, ensuring exceptional chip control even at varying depths of cut. With a robust 0.8mm corner radius, it serves as a highly durable indexable turning tool for precision machining where edge reliability and long tool life are critical requirements. Manufactured in Japan, it meets the highest global standards for CNC machining productivity.
Decoding the CCMT09T308-PS Model Number
C
80° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole Type
09
9.5mm Edge
T3
3.97mm Thick
08
0.8mm Radius
PS
Chipbreaker
Size Identification: Metric and Imperial Standards
| Technical Feature |
Metric (Standard) |
Imperial Equiv. |
| ISO / ANSI Model |
CCMT09T308-PS |
CCMT32.52-PS |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Corner Radius (RE) |
0.8 mm |
1/32 inch |
Why choose the AH725 grade for tough alloy steels?
The AH725 grade is a versatile PVD (Physical Vapor Deposition) grade that features a high-density, multi-layered AlTiN coating. This coating offers a smooth surface that reduces friction and heat build-up. For precision machining, this means you can achieve tighter tolerances and better surface finishes without worrying about premature tool failure. This long-tail keywords industry favorite is particularly strong when facing interrupted cuts or unstable setups, providing a much higher level of toughness compared to standard CVD grades.
How does the PS chipbreaker perform at higher feed rates?
The PS Chipbreaker is specifically ground to facilitate smooth chip evacuation during finishing and semi-finishing operations. Its sharp cutting edge minimizes cutting resistance, which helps prevent vibration on the workpiece. When paired with the 0.8mm radius, this indexable turning tool allows for slightly more aggressive feed rates than smaller radius inserts while maintaining excellent chip control in CNC machining.
What are the recommended cutting parameters for AH725?
Ideal for P (Steel) and M (Stainless Steel) Applications:
-
Cutting Speed (Vc): 70 - 220 m/min (230 - 720 SFM)
-
Feed Rate (f): 0.08 - 0.25 mm/rev
-
Depth of Cut (ap): 0.5 - 2.0 mm
*Pro Tip: For stainless steel, ensure adequate coolant flow to maximize the PVD coating's effectiveness and extend tool life.*
Trusted Reviews from Machinists Globally
⭐⭐⭐⭐⭐ "Great balance of toughness" - Hans K., Germany
"The AH725 grade handles alloy steel beautifully. The 0.8mm radius on these CCMT09T3 inserts gives a very stable performance even on older machines."
⭐⭐⭐⭐⭐ "Perfect for my CNC shop" - Sato R., Japan
"Original Tungaloy quality. These inserts have very consistent wear patterns, making it easy to predict tool changes in our production runs."
⭐⭐⭐⭐ "Very Sharp and Clean" - Mike D., USA
"The PS chipbreaker is fantastic for finishing passes. No more stringy chips wrapping around the spindle. Highly recommend."
⭐⭐⭐⭐⭐ "Top tier for stainless" - Alessia G., Italy
"Using these in SCLCR09 tool holders for 304 stainless. The PVD coating really helps with heat management compared to CVD."
⭐⭐⭐⭐⭐ "Authentic product, fast delivery" - Liam W., Australia
"Genuine Tungaloy inserts. They perform exactly as the catalog states. The AH725 grade is a lifesaver for our stainless jobs."
Technical Q&A
Q: Which tool holders are compatible with this insert?
A: This insert fits any standard **SCLCR09** or **SCLCR3/8** turning holder or boring bar designed for size 09 (3/8" IC) rhombic inserts.
Q: Why should I choose the 0.8mm radius (08)?
A: The 0.8mm corner radius provides a much stronger edge than 0.2mm or 0.4mm, making it more resistant to chipping and allowing for faster feed rates.
Q: Is AH725 better than T9125 for stainless steel?
A: Yes, generally PVD grades like **AH725** are preferred for stainless steel finishing because they allow for a sharper edge and reduced built-up edge compared to thicker CVD coatings.
Expert Machining Tip: Choosing Your Grade
For high-speed production in carbon steel, CVD grades are king. However, for precision machining involving varied materials or sticky stainless steels, PVD Coated Carbide like AH725 is the ultimate choice to ensure a smooth finish and reliable tool life.
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