Ultra Micro Diameter Tungsten Carbide Rods for High Precision Cutting Applications
Brand Name : JINXIN
Place of Origin : CHINA
MOQ : 100PCS
Packaging Details : COMMON PACKAGE
Delivery Time : 15 days
Supply Ability : 10000 PCS/MONTH
Matierial : Tungsten carbide、Cermet
Grade : YL10.2 /Cermet
Type : Ultrafine / Submicron
Application : Medical & Dental Instruments
Grain Size : Submicron / Fine Grain
Our ultra micro diameter tungsten carbide rods are engineered for the most demanding precision machining and micro-tool manufacturing applications. With diameters starting from as small as Ø0.3 mm, these micro carbide rods are ideal for industries that require extreme accuracy, high wear resistance, and long tool life, such as PCB manufacturing, medical device production, aerospace components, and micro-milling tools. Manufactured using premium-grade tungsten carbide powder, our rods are produced through advanced powder metallurgy, extrusion forming, HIP sintering, and precision centerless grinding processes, ensuring uniform microstructure, high density, and excellent mechanical performance. Compared to standard carbide rods, our micro diameter tungsten carbide rods provide superior performance in high-speed machining, micro drilling, and ultra-precision cutting environments, where stability and consistency are critical.
Key Features of Micro Diameter Carbide Rods
Ultra Small Diameter Range: Ø0.3 mm – Ø3.0 mm
High Precision Tolerance: h5 / h6 / customized tolerance available
High Hardness: HRA 90 – 94
Superior Wear Resistance and Toughness
Excellent Transverse Rupture Strength (TRS up to 4200 MPa)
Uniform Grain Structure (Ultra-fine & Submicron grain size)
Smooth Surface Finish (Ra ≤ 0.2 μm)
High Dimensional Stability
Suitable for High-Speed CNC Machining
Available Specifications
| Diameter (mm) | Length (mm) | Tolerance | Surface Finish |
|---|---|---|---|
| 0.3 – 0.8 | 10 – 50 | h5 | Polished / Ground |
| 0.8 – 2.0 | 20 – 100 | h5 / h6 | Ground |
| 2.0 – 3.0 | 50 – 330 | h6 | Ground |
Material Grades for Micro Carbide Rods
| Grade | Grain Size | Hardness (HRA) | TRS (MPa) | Application |
|---|---|---|---|---|
| K05 | Ultra-fine | 93.5 | 3800 | PCB drills |
| K10 | Submicron | 92.5 | 4000 | Micro end mills |
| K20 | Fine | 91.5 | 4200 | General cutting tools |
Applications of Ultra Micro Carbide Rods
Our tungsten carbide micro rods are widely used in:
PCB micro drilling tools
Micro end mills and slotting cutters
Precision engraving tools
Medical surgical instruments
Watchmaking and jewelry machining
Aerospace micro components
High-precision mold and die components
These industries demand extreme precision and durability, making our micro rods the preferred material.
Comparison: Micro Carbide Rods vs Standard Carbide Rods
| Feature | Micro Carbide Rods | Standard Carbide Rods |
|---|---|---|
| Diameter Range | 0.3–3.0 mm | 3.0 mm+ |
| Precision | Extremely High | Standard |
| Application | Micro tools | General tools |
| Manufacturing Difficulty | Very High | Moderate |
