CCMT Inserts
CCMT09T304
CNC insert for mold steel and pre-hardened steel
This CCMT Insert Steel grade handles tough cutting conditions. The geometry is built for steel semi-finishing—designed specifically for steel turning work.
Small Craftsman (Shandong) Machine & Tools Co., Ltd. is one of the leading manufacturers and suppliers of ccmt inserts in China. If you're going to wholesale bulk advanced ccmt inserts, welcome to get quotation from our factory. All customized products are with high quality and competitive price.
Why This Carbide Internal Turning Insert Works
The CCMT09T304 Carbide Internal Turning Insert Steel cuts efficiently and runs stable. Low vibration, even during long runs.
Wide chip-breaking groove handles most jobs. Plenty of chip space-no tangling, no clogging.
Chips break clean and controlled. Works across different feeds and speeds. Good for everyday machining.
The tip design is different. Stronger nose, resists impact and chipping.
Large rake angle cuts resistance down. Machine works easier, saves power.
Edges are polished sharp. Cuts smooth, no sticking.
In addition, the insert is engineered for consistency across batch production. Whether used in small workshops or large-scale manufacturing, it maintains predictable cutting performance. This reliability helps reduce unexpected downtime and improves overall machining efficiency. The optimized geometry also ensures better tool life, especially when dealing with interrupted cuts or variable material hardness.

What This Internal Boring Insert Handles
• Any conventional cutting operation you throw at it
• Various shop environments and process setups
The coating and substrate take heat, wear, and oxidation. Insert lasts longer.
Surface finish comes out clean. Less secondary polishing needed.
Fits standard CNC lathe holders. Easy to install, quick to set. Shops running production prefer it.
Performance is balanced and stable. Good value-cuts consumable costs and production spend.
Beyond standard applications, this insert performs well in demanding conditions such as continuous cutting of alloy steels and semi-hardened materials. Its thermal stability allows it to maintain edge integrity even under higher cutting temperatures, reducing the risk of deformation or premature wear.

The combination of a durable carbide substrate and advanced coating technology enhances resistance to abrasion and built-up edge formation. This means fewer interruptions for tool changes and more consistent part quality throughout the production cycle.
Another advantage is its versatility. The CCMT09T304 insert can be applied in both roughing transitions and semi-finishing operations, reducing the need to switch tools frequently. This simplifies inventory management and improves workflow efficiency in busy machining environments.
For operators, ease of use is a key benefit. The insert's compatibility with standard tool holders ensures quick replacement and minimal setup time. Even less experienced machinists can achieve stable and reliable results with proper parameter settings.
Overall, the CCMT09T304 Carbide Internal Turning Insert delivers a strong balance between performance, durability, and cost-effectiveness. It is a practical choice for shops looking to improve machining stability while keeping tooling costs under control.

| Type | Size(mm) | ||||||||||
| L | IC | S | d | r | |||||||
| CNMG120404 | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | ||||||
| CNMG120408 | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | ||||||
| CNMG120412 | 12.9 | 12.7 | 4.76 | 5.16 | 1.2 | ||||||
| CCMT060204 | 6.4 | 6.35 | 2.38 | 2.8 | 0.4 | ||||||
| CCMT060208 | 6.4 | 6.35 | 2.38 | 2.8 | 0.8 | ||||||
| CCMT09T304 | 9.7 | 9.525 | 3.97 | 4.4 | 0.4 | ||||||
| CCMT09T308 | 9.7 | 9.525 | 3.97 | 4.4 | 0.8 | ||||||
| CCMT120404 | 12.9 | 12.7 | 4.76 | 5.16 | 0.4 | ||||||
| CCMT120408 | 12.9 | 12.7 | 4.76 | 5.16 | 0.8 | ||||||

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