Tungaloy CCMT09T304-24 T9125 Turning Insert
High-Performance CVD Coated Carbide | Steel Turning Specialist | Premium 24 Chipbreaker
Product Overview
The Tungaloy CCMT09T304-24 T9125 is a professional-grade CVD coated carbide turning insert designed for high-efficiency turning of steel. Powered by the advanced T9125 grade, this insert offers an exceptional balance of wear resistance and toughness, making it ideal for a wide range of steel machining applications, from continuous to light interrupted cuts. The 24-style chipbreaker provides superior chip control during finishing operations, ensuring high surface quality and reliable CNC machining performance. Made in Japan, this indexable turning tool is the industry benchmark for extending tool life in precision machining environments.
Technical Designation Breakdown
C
80° Rhombic
C
7° Clearance
M
M Tolerance
T
Hole Type
09
9.5mm Edge
T3
3.97mm Thick
04
0.4mm Radius
24
Chipbreaker
Technical Specifications: Metric vs. Imperial
| ISO / ANSI Standard |
Metric Designation |
Imperial Equivalent |
| Full Model |
CCMT09T304-24 |
CCMT32.51-24 |
| Inscribed Circle (IC) |
9.525 mm |
3/8 inch |
| Thickness (S) |
3.97 mm |
5/32 inch |
T9125 CVD Grade: Versatility Meets Strength
The T9125 grade is Tungaloy's premier solution for general steel turning. Featuring a multi-layered CVD coating with a thick Al2O3 layer, it provides outstanding heat resistance. This long-tail keywords favorite excels in high-speed machining where edge stability is critical. It is specifically formulated to handle the thermal shocks often found in precision machining production lines, ensuring your tool life remains high and predictable.
The 24 Chipbreaker Geometry
The 24-style chipbreaker is a versatile geometry designed for light-to-medium turning. Its primary function is to break chips into small, manageable curls, preventing surface damage and ensuring the smooth operation of your indexable turning tool.
Recommended Cutting Parameters
Best for Steel (P) Turning:
-
Cutting Speed (Vc): 120 - 320 m/min (390 - 1050 SFM)
-
Feed Rate (f): 0.05 - 0.25 mm/rev
-
Depth of Cut (ap): 0.2 - 2.0 mm
*Pro Tip: For improved surface finish in carbon steel, use the higher range of cutting speeds.*
Global Verified Reviews
⭐⭐⭐⭐⭐ "Very stable in alloy steel" - Markus E., Germany
"T9125 grade is incredibly reliable. I use these for our daily production on 4140 steel and they never let me down. Great tool life."
⭐⭐⭐⭐⭐ "Excellent Chip Control" - Kenji Y., Japan
"The 24 chipbreaker works perfectly for my finishing passes. No more long stringy chips. Authentic Japanese quality."
⭐⭐⭐⭐ "Durable CVD Coating" - Sarah T., USA
"I run these at high speeds and the coating stays intact. Dimensional stability is perfect for finishing steel parts."
⭐⭐⭐⭐⭐ "Perfect for CNC lathes" - Antonio G., Italy
"High performance and reliable. Fits perfectly in my SCLCR tool holders. Good surface Ra values."
⭐⭐⭐⭐⭐ "Original & Fast Delivery" - Chuan L., Singapore
"Genuine Tungaloy product. These CCMT09T304 inserts are essential for my machining workshop. Excellent value."
Technical Q&A
Q: What is the difference between T9115 and T9125?
A: T9115 is optimized for high-speed continuous cutting, while T9125 offers higher toughness, making it more suitable for light interrupted cuts and general steel turning.
Q: Which tool holder fits this insert?
A: This insert fits any standard **SCLCR09** or **SCLCR3/8** external turning tool or boring bar designed for 09T3 size inserts.
Q: Can I use this for Stainless Steel?
A: T9125 is best for carbon and alloy steels. For stainless steel, we recommend Tungaloy’s T6120 or AH series grades for better durability.
Machining Tip: Why CVD over PVD?
For high-speed, continuous turning in steel, CVD Coated Carbide like T9125 is superior. The thicker coating provides a heat shield that preserves the carbide substrate, allowing for faster production and more consistent tool life compared to thinner PVD coatings.
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