Ultra Micro Tungsten Carbide Rods for PCB Drilling and High-Speed Precision 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 : 0.1 – 1.0 mm (Custom available)
Our PCB drill tungsten carbide rods are specially developed for the printed circuit board (PCB) industry, where ultra-high precision, high-speed machining performance, and long tool life are essential. These ultra micro carbide rods are manufactured using ultra-fine grain tungsten carbide powder, providing excellent hardness, wear resistance, and strength. Designed specifically for PCB micro drills, they ensure stable drilling performance even at extremely high spindle speeds. With diameters starting from Ø0.3 mm, our rods are ideal for producing micro drilling tools used in HDI boards, multilayer PCBs, and precision electronic components.
Our PCB drill tungsten carbide rods are specially developed for the printed circuit board (PCB) industry, where ultra-high precision, high-speed machining performance, and long tool life are essential.
These ultra micro carbide rods are manufactured using ultra-fine grain tungsten carbide powder, providing excellent hardness, wear resistance, and strength. Designed specifically for PCB micro drills, they ensure stable drilling performance even at extremely high spindle speeds.
With diameters starting from Ø0.3 mm, our rods are ideal for producing micro drilling tools used in HDI boards, multilayer PCBs, and precision electronic components.
Key Features
Ultra micro diameter: Ø0.3 – Ø3.0 mm
Ultra-fine grain structure for superior performance
High hardness: HRA 92.5 – 94
Excellent wear resistance and toughness
Tight tolerance: h5 level precision
Smooth surface finish for tool grinding
High bending strength for micro applications
Why PCB Applications Require Specialized Carbide Rods
PCB drilling is one of the most demanding machining processes due to:
Extremely small hole diameters
High-speed rotation (up to 200,000 RPM)
Continuous mass production
Strict hole quality requirements
Our PCB carbide rods are optimized to handle these challenges by offering:
High resistance to micro-chipping
Excellent thermal stability
Consistent tool performance
Reduced breakage rates
Applications
PCB micro drills
HDI circuit board drilling
Multi-layer board processing
Electronic component manufacturing
Precision micro machining tools
Material Grades
| Grade | Grain Size | Hardness (HRA) | TRS (MPa) | Application |
|---|---|---|---|---|
| K05 | Ultra-fine | 93.5 | 3800 | PCB drills |
| K10 | Submicron | 92.5 | 4000 | Micro tools |
✔ K05 grade is strongly recommended for PCB applications
Core Advantages
High hole accuracy and consistency
Reduced tool wear and breakage
Extended tool life
Improved production efficiency
Suitable for high-volume manufacturing
