- No-Clog Alu Cut: Extra-wide grooves throw soft metal chips out instantly, preventing melting and tool jamming.
- Versatile Cone Profile: 10mm ball nose cone shape is perfect for smoothing out tight angles and curved inner pockets.
- Long-Lasting Sharpness: Solid carbide head stays sharp up to 10x longer than HSS bits, reducing your tool replacement costs.
- Universal 6mm Shank: Precision-made shank fits smoothly into standard electric or air die grinders with zero slipping.
DESCRIPTION
Product Overview
Prevent material accumulation and thermal loading when machining non-ferrous metals with our high-performance A1020 Alu Cut Tungsten Carbide Rotary Burr. Featuring a standard Cylinder Shape (Shape A), this engineering-grade tool is optimized for flat surface blending, right-angle deburring, and straight-edge contouring on ductile materials.
Equipped with specialized Aluminum Cut (Alu Cut) flutes, the tool features wide and deeply ground chip spaces. This geometric design ensures rapid, unobstructed chip evacuation, maintaining cutting edge sharpness and preventing the melting or gumming common with multi-cut alternatives.
Technical Properties
Material: Premium Tungsten Carbide (YG8 / K30)
Hardness: 90-92HRA
Heat Resistance: Maintains cutting edge up to 800℃
Max Speed (RPM): 3mm Dia: ~60,000 RPM
6mm Dia: ~45,000 RPM
12mm Dia: ~25,000 RPM
Primary Applications
Materials: Aluminum, Aluminum Alloys, Brass, Copper, Soft Magnesium, Zinc, and Hard Plastics.
Industries: Automotive porting, aerospace fabrication, foundry work, and custom metal sculpture.
Operations: Deburring, edge breaking, contouring, and internal radius grinding.
Shape Classification (International Standards)
These codes identify the head shape of the rotary file.
| Shape Code | Shape Name | Common Application |
| Type A | Cylindrical (Plain End) | Surface milling, edge leveling |
| Type B | Cylindrical (End Cut) | Peripheral and end milling |
| Type C | Cylindrical Ball Nose | Contouring and radius milling |
| Type D | Ball / Spherical | Hole enlarging, rounding, concave work |
| Type E | Oval / Egg | Contoured deburring, rounding edges |
| Type F | Tree (Radius End) | Rounding narrow contours, internal milling |
| Type G | Tree (Pointed End) | Reaching into tight, pointed angles |
| Type H | Flame Shape | Universal contouring and blending |
| Type L | Taper (Radius End) | Difficult-to-reach areas and radii |
| Type M | Conical (Pointed End) | Acute angles and narrow deburring |
Common Dimensional Specifications
These are the industry-standard sizes for 6mm (1/4") and 3mm (1/8") shank series.
| Model Example | Head Dia (D1) | Cut Length (L1) | Shank Dia (d2) | Overall Length (L2) |
| 0306 (Mini) | 3 mm | 6 mm | 3 mm | 38 mm |
| 0616 | 6 mm | 16 mm | 6 mm | 50 mm |
| 0820 | 8 mm | 20 mm | 6 mm | 65 mm |
| 1020 | 10 mm | 20 mm | 6 mm | 65 mm |
| 1225 | 12 mm | 25 mm | 6 mm | 70 mm |
| 1425 | 14 mm | 25 mm | 6 mm | 70 mm |
| 1625 | 16 mm | 25 mm | 6 mm |
Cut Type Selection (Tooth Geometry)
| Cut Type | Description | Best For |
| Single Cut | One set of diagonal flutes. | Fast material removal, long chips. Steel, Cast Iron. |
| Double Cut | Cross-cut flutes (Diamond cut). | Fine finish, smaller chips, better operator control. Universal use. |
| Aluminum Cut | Wide, deep flutes (Single cut). | Preventing clogging on soft/gummy metals. Aluminum, Plastics, Brass. |
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.
