CCMT09T304-SM is a positive carbide turning insert with SM chipbreaker and CT1029 coating, designed for stainless steel CNC turning, boring and facing with low cutting resistance, stable chip evacuation and reliable surface finish.
CCMT09T304-SM Turning Insert for Stainless Steel Machining
CCMT09T304-SM is a carbide turning insert designed for CNC turning, internal boring, facing and semi-finishing applications. With an 80° rhombic shape, positive cutting geometry, SM chipbreaker and wear-resistant CT1029 coating, it delivers stable chip evacuation, low cutting resistance and reliable surface finish in stainless steel machining.
This insert is suitable for CNC lathes, turning centers and boring applications where chip control, cutting stability and tool life are important. It is especially useful for stainless steel workpieces that commonly cause built-up edge, sticking chips and unstable cutting.
CCMT09T304-SM is a positive turning insert used with matching CCMT boring bars and turning tool holders. The 09 size is commonly used for medium and small CNC turning operations, while the 04 corner radius provides a balance between edge strength and surface finish.
The SM chipbreaker is optimized for stainless steel machining. It helps reduce cutting resistance, prevent built-up edge and guide chips away from the cutting zone, improving both machining stability and workpiece surface quality.
Stainless Steel-Optimized SM Chipbreaker
The dedicated SM chipbreaker is designed for stable chip control in stainless steel turning. It helps reduce cutting resistance, prevent built-up edge and improve chip evacuation, solving common problems such as chip sticking, chip wrapping and surface scratching.
80° Rhombic Insert for Stable Turning
The 80° rhombic insert shape provides reliable cutting strength for turning, boring and facing operations. Its positive cutting geometry helps reduce tool pressure, making it suitable for precision machining and applications that require smooth cutting performance.
High-Rigidity and Cost-Effective Design
The insert structure balances hardness and toughness for stable performance in continuous and interrupted cutting conditions. Multiple usable cutting edges help improve insert utilization and reduce per-part tooling cost in batch production.
Premium CT1029 Wear-Resistant Coating
The CT1029 nano coating offers excellent heat resistance and wear resistance during stainless steel machining. It helps extend tool life, maintain edge sharpness and support consistent, high-quality surface finishes.
R0.4 Corner Radius for Semi-Finishing
The CCMT09T304-SM insert uses an R0.4 corner radius, making it suitable for semi-finishing and finishing operations. It provides a good balance between cutting edge strength, dimensional accuracy and surface quality.
CCMT09T304-SM Turning Insert is commonly used for:
CNC turning
Internal boring
Facing
Profiling
Semi-finishing
Finishing
Stainless steel machining
Precision metal cutting
Turning center machining
Suitable Workpiece Materials
Stainless steel
Carbon steel
Alloy steel
Cast iron
General metal workpieces
Model Meaning
CCMT: 80° rhombic positive turning insert
09: Insert size, commonly used for medium and small turning applications
T3: Insert thickness code
04: R0.4 mm corner radius
SM: Stainless steel-oriented chipbreaker for stable chip control
CT1029: Wear-resistant coated carbide grade for stainless steel machining
For users searching for CCMT09T304-SM, the main concerns are usually stainless steel machining performance, chip control, insert life, surface finish and tool holder compatibility. This insert is designed to solve these problems through a stainless steel-optimized SM chipbreaker, positive cutting geometry and CT1029 wear-resistant coating.
It helps reduce built-up edge, improve chip evacuation and maintain stable cutting quality, making it suitable for CNC machining users who need reliable performance in stainless steel turning and boring applications.
Tool Holder Compatibility
CCMT09T304-SM should be matched with suitable CCMT turning tool holders or boring bars according to insert size, machining direction and application. Correct matching helps improve clamping stability, cutting accuracy and insert service life.
Q1: What is CCMT09T304-SM used for?
CCMT09T304-SM is used for CNC turning, internal boring, facing, profiling, semi-finishing and finishing operations.
Q2: Is CCMT09T304-SM suitable for stainless steel?
Yes. The SM chipbreaker and CT1029 coating are suitable for stainless steel machining, helping reduce built-up edge, chip sticking and unstable cutting.
Q3: What does SM mean in CCMT09T304-SM?
SM refers to the chipbreaker type. It is designed for stable chip control, lower cutting resistance and smoother chip evacuation, especially in stainless steel machining.
Q4: What is the corner radius of CCMT09T304-SM?
CCMT09T304-SM has an R0.4 mm corner radius, suitable for semi-finishing and finishing applications.
Q5: What is the difference between CCMT09T304-SM and CCMT09T308-SM?
CCMT09T304-SM has an R0.4 mm corner radius, while CCMT09T308-SM has an R0.8 mm corner radius. R0.4 is more suitable for finishing and light cutting, while R0.8 provides stronger edge strength for heavier cutting.
Q6: What tool holders can CCMT09T304-SM match?
It should be used with compatible CCMT turning tool holders or boring bars according to insert size, cutting direction and machining application.
Our headquarters is located in Zhejiang, China. Starting in 2023, we sold to South Asia (10.00%), Southern Europe (10.00%), Northern Europe (10.00%), Western Europe (10.00%), East Asia (10.00%), Middle East (10.00%), Southeast Asia (10.00%), Eastern Europe (10.00%), South America (10.00%). There are a total number of people in our office.
We always provide samples before mass production; We always conduct a final inspection and take photos for customer confirmation before shipment;
Boiling cutters, milling cutters, CNC inserts, grooving inserts, reamers, tool holders, tool sleeves, and other industrial machinery and equipment.
Our headquarters is located in Zhejiang, China. Starting in 2023, we sold to South Asia (10.00%), Southern Europe (10.00%), Northern Europe (10.00%), Western Europe (10.00%), East Asia (10.00%), Middle East (10.00%), Southeast Asia (10.00%), Eastern Europe (10.00%), South America (10.00%). There are a total number of people in our office.
Wenqiao Sanqiang CNC Tools Co., Ltd., established in 2011, is located in Wenling, Taizhou, China, covering an area of 10 mu (approximately 6,667 square meters). We specialize in high-quality CNC cutting tools, including CNC carbide inserts, carbide end mills, and turning tool fixtures. Our quality speaks for itself, resulting in a high customer repurchase rate and numerous positive reviews.
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