DESCRIPTION

Product Overview

The Carbide Burr (also known as a rotary file) is a high-performance, durable cutting tool designed for deburring, chamfering, grooving, engraving, and finishing metals, wood, plastics, and composite materials. Made from ultra-fine grain tungsten carbide, it offers exceptional hardness and wear resistance, making it ideal for high-speed rotary applications such as pneumatic tools, electric grinders, and CNC machines.

Common Models & Specifications

Shank Diameter: 3mm (1/8"), 6mm (1/4")

Cutting Length: 10mm–50mm (customizable)

Cut Type: Single-cut (aggressive), double-cut (general-purpose), spiral-cut (fine finish)

Coating: Uncoated (standard), TiAlN-coated (enhanced heat resistance)

Why Choose Our Carbide Burrs?

✔ Strict QC – Each burr undergoes hardness testing and dynamic balancing checks.

✔ Cost-Effective – 20%-30% more affordable than European/American brands with comparable durability.

✔ Fast Delivery – Samples available, bulk orders shipped worldwide.

Key Features

✅ High Hardness & Wear Resistance – Premium carbide material ensures longer lifespan than HSS (High-Speed Steel), suitable for heavy-duty machining.

✅ Multiple Cut Styles – Single-cut, double-cut, spiral-cut, and diamond-cut designs for different materials (aluminum, steel, cast iron, titanium, etc.).

✅ Precision Machining – Sharp cutting edges deliver smooth finishes, reducing the need for secondary processing.

✅ Wide Compatibility – Works with pneumatic die grinders, electric engravers, and CNC routers (1/4" or 6mm shank standard).

✅ Heat & Shock Resistant – Optimized for high-speed cutting (recommended RPM: 10,000–35,000).

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.