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
Advanced Manufacturing Process
Our precision carbide rods are produced through a strict and controlled manufacturing process:
Raw Material Selection – High-purity tungsten carbide powder with controlled grain size
Mixing & Milling – Ensures homogeneous material distribution
Extrusion Forming – Ideal for micro diameter consistency
Sintering (HIP Technology) – Improves density and eliminates internal porosity
Precision Grinding – Achieves tight tolerance and superior surface finish
Full Inspection – Each batch undergoes strict quality control
This advanced process guarantees consistent quality, high strength, and long service life.
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 |
👉 Custom sizes, ultra-tight tolerances, and special finishing available upon request
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 |
✔ Available in both 100% virgin carbide material and recycled carbide options for cost-sensitive applications
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.
Why Choose Our Micro Diameter Carbide Rods
1. High Precision Control
We maintain strict dimensional tolerances, ensuring excellent concentricity and straightness, which are critical for micro tool performance.
2. Superior Material Quality
Using high-purity tungsten carbide powder, we ensure consistent hardness, wear resistance, and structural integrity.
3. Long Tool Life
Our rods provide extended tool life, reducing replacement frequency and lowering overall production costs.
4. Excellent Machining Performance
Optimized for high-speed cutting and micro machining, ensuring stable performance and minimal tool breakage.
5. Flexible Customization
We offer full customization to meet your specific requirements, including:
Diameter & length
Tolerance level
Surface finishing
Grade selection
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 |
Packaging & Delivery
Packaging: Plastic tube protection + reinforced carton
Delivery methods: DHL / FedEx / Air / Sea freight
Lead time: 7–15 days for standard sizes
Custom orders: Depending on specifications
FAQ
Q1: What is the minimum diameter you can produce?
A: We can produce micro carbide rods starting from Ø0.3 mm, with high precision.
Q2: Do you recommend virgin or recycled carbide for micro rods?
A: For micro applications, virgin carbide is strongly recommended due to better consistency and performance.
Q3: Can you provide tight tolerance like h5?
A: Yes, we specialize in high-precision grinding, achieving h5 tolerance or better.
Call to Action
👉 Contact us today to get free samples, professional technical consultation, and a fast quotation within 24 hours.
👉 Let us help you improve your tool performance and machining efficiency with our high-quality micro carbide rods.
