Description
Product Overview
The 3mm × 50mm polished chamfered cemented tungsten carbide round rod from Castlebar is engineered for the most demanding industrial applications. Crafted from Grade 9008/C2 (10% cobalt) cemented tungsten carbide, the rod features a sub‑micron grain size that provides exceptional uniformity and stability under extreme loads. A meticulous polishing process achieves a surface finish of 0.1 µm maximum Ra, delivering a mirror‑like smoothness that reduces friction and wear in high‑speed machining environments. The rod’s hardness reaches HRa 92 and a tensile strength of at least 3500 MPa, ensuring it can withstand the rigors of aerospace, medical device, and precision tooling operations. Dimensional tolerance follows the h6 standard (+0/‑0.006 mm), guaranteeing tight fit and repeatable performance across batches. The product dimensions are 1.97 × 0.12 × 0.12 inches and it weighs only 0.16 oz, making it easy to handle while maintaining robust structural integrity.
![[Product front view showing all components]](https://www.fastareas.store/wp-content/uploads/2026/07/276ea97d98c142e9ad788b8385924df9.jpg)
Usage
This rod is ideally suited for a wide range of high‑precision manufacturing processes. Its superior hardness and wear resistance make it a perfect choice for cutting tools, drill bits, and milling inserts where material removal rates must be maximized without compromising surface quality. In aerospace component fabrication, the rod’s dimensional stability ensures that critical tolerances are maintained even under thermal cycling. Medical device manufacturers benefit from the biocompatible nature of tungsten carbide, using the rod in the production of surgical instruments and implantable components where cleanliness and precision are paramount. Additionally, the rod excels in stamping and forming applications for hardened steel parts, providing consistent performance in high‑volume production lines. Its polished chamfered edges reduce chip adhesion, extending tool life and minimizing downtime for maintenance.
Why Choose Us
Castlebar has a long history of delivering premium raw materials to the industrial sector. Each rod undergoes rigorous quality control, including ultrasonic testing and dimensional inspection, to ensure it meets the exacting standards of Grade 9008/C2. Our manufacturing facilities employ state‑of‑the‑art CNC grinding and polishing equipment, guaranteeing uniform grain distribution and surface finish across every piece. We stand behind our products with a comprehensive warranty and responsive technical support, offering guidance on optimal machining parameters and tool integration. By choosing Castlebar, customers gain access to a reliable supply chain, consistent product performance, and the expertise of a team dedicated to advancing material science. Our commitment to sustainability is reflected in responsible sourcing practices and waste‑reduction initiatives throughout the production process.
Key Features
- Exceptional hardness (HRa 92) for long‑lasting tool performance
- Ultra‑smooth 0.1 µm Ra surface reduces friction and improves cut quality
- Precise h6 tolerance (+0/‑0.006 mm) ensures repeatable fit in critical assemblies
- Sub‑micron grain size provides superior stability under high loads
- Dedicated after‑sales support with technical assistance and warranty coverage
FAQ
What does Grade 9008/C2 mean?
Grade 9008/C2 indicates a tungsten carbide composition with 10% cobalt binder, offering a balance of hardness and toughness suitable for high‑speed cutting and wear‑resistant applications.
Can this rod be used for aerospace component machining?
Yes, its dimensional stability, high hardness, and polished surface make it ideal for aerospace parts where tight tolerances and surface finish are critical.
Is the rod compatible with standard CNC tool holders?
The rod’s 3mm diameter conforms to common CNC collet sizes, allowing easy integration into most machining centers without additional adapters.
What warranty does Castlebar provide?
Castlebar offers a one‑year limited warranty covering material defects and includes technical support to help optimize machining parameters for best results.








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