DESCRIPTION

Product Overview

The DCGT11T302-YL CD7215 is a G-class high-precision 55-degree rhombic positive turning insert designed for high-accuracy finishing, micro-boring, and copy-profiling across ISO P (Steels) and ISO M (Stainless Steels). Featuring a sharp 0.2mm nose radius (R0.2), a 7-degree positive clearance angle, and fully peripheral ground cutting edges, this insert combines the low-cutting-force -YL finishing chipbreaker with the wear-resistant CD7215 PVD-coated carbide grade matrix. It delivers chatter-free performance, prevents workpiece deflection on slender shafts, and produces mirror-smooth surface finishes.

2. Technical Specifications

• ISO Code: DCGT11T302-YL (ANSI: DCGT32.50.5-YL)

• Grade: CD7215 (Advanced PVD multi-layer nano-coated carbide grade offering high edge toughness, adhesion resistance, and thermal stability in ISO P and M materials)

• Shape: D-Shape (55 Degree Diamond / Rhombic)

• Relief Angle: C-Type (7 Degree Positive clearance – significantly lowers cutting resistance and spindle torque)

• Precision Class: G-Class (Fully peripheral ground for strict dimensional tolerances and repeatable indexing)

• Inscribed Circle: 9.525 mm (3/8 inch)

• Thickness: 3.97 mm (T3)

• Nose Radius: 0.2 mm (R0.2 / 1/128 inch) – Micro-sharp radius for tight tolerances and low radial cutting forces

• Chipbreaker: -YL Super-Finishing Geometry (Designed for clean chip fracturing and smooth evacuation at low feed rates)

• Machining Type: Precision internal boring, external profiling, facing, and super-fine finish turning

2.Grades:

CNC Inserts - Frequently Asked Questions

1. How do I choose the right grade for my specific machining application?

Choosing the correct grade is crucial for tool life and performance. We provide a comprehensive Grade Cross-Reference Chart that maps our CD Carbide grades to major international brands like Sandvik, Mitsubishi, and Kyocera. If you are unsure, simply provide us with the workpiece material (P, M, K, S, H) and machining conditions, and our engineers will recommend the best solution.

2. Can you provide customized CNC tools based on our drawings?

Yes. As a factory-direct manufacturer, we specialize in bespoke engineering. Whether you need non-standard dimensions, specific chipbreakers, or customized coatings for unique alloys, our technical team can develop products based on your technical drawings (PDF/STEP) or physical samples.

3. Do you offer free samples for testing before bulk orders?

We understand that "trial cutting" is the only way to verify tool stability. We offer sample packs for professional buyers to test performance on their own CNC machines. Please contact our sales team with your machine specifications and the material you are processing to request your trial samples.

4. How do you ensure the quality consistency of your carbide inserts?

Our quality control is integrated into every step of the production process in Zhuzhou. We use high-purity tungsten carbide powder and advanced PVD/CVD coating equipment. Each batch undergoes rigorous inspection, including microscopic edge analysis and hardness testing, to ensure that the performance of the 1,000th insert is identical to the 1st.

5. What is the typical lead time for international B2B orders?

For standard models in stock (such as WNMG, CNMG, etc.), we usually ship within 3-5 business days. For customized tools or large-volume OEM orders, the production cycle typically ranges from 2 to 4 weeks, depending on the complexity of the design and coating requirements.

6. Are you a manufacturer or a trading company?

We are a direct manufacturing enterprise based in Zhuzhou, the hunan of China’s tungsten carbide industry. By cutting out the middleman, we provide factory-direct pricing and faster technical support. This allows us to offer more flexible MOQs (Minimum Order Quantities) for small-to-medium-sized distributors and specialized machine shops.