Import Cobalt End Mills — Buy in Bulk from Supplier in China

UB Tools (Shanghai) Ltd supplies M42 cobalt end mills that are manufactured from premium cobalt steel, a material known for its wear resistance and ability to retain hardness at high cutting speeds. The end mills are classified as industrial‑grade tools and are engineered to maintain sharpness during prolonged machining of tough alloys. The supplier highlights a design that improves chip evacuation, reducing the likelihood of tool breakage. Trade information notes that both FOB and CIF terms are available, with payment options including L/C and T/T.

The cobalt composition of the steel provides a typical hardness of 60‑65 HRC, which aligns with industry expectations for M42 tools. Available diameters cover a typical range from 3 mm to 32 mm, and the mills can be supplied with 2‑4 flutes depending on the application. Tolerances are generally held to ISO 286 h6, ensuring dimensional consistency across batches.

These end mills are suited to aerospace component machining, automotive engine part production and general precision engineering where high‑speed cutting of hardened steels is required. Buyers such as contract manufacturers and tool distributors value the chip‑clearance geometry for increased productivity. Flexible MOQ options are offered, and the supplier provides the necessary certifications to demonstrate compliance with relevant machining standards.

UB Tools (Shanghai) Ltd is located at C126 Hi‑Tech King World No. 666 Beijing Road (East), Shanghai 200001, China and is classified as an imported‑tier supplier with a harbour trust rating. The profile shows a zero percent response rate and no average response time, indicating that buyers should initiate contact early to confirm availability.

The listing does not disclose production capacity, annual turnover or specific client references, but it does state that the end mills are supplied with the required certifications for industrial use. No additional corporate history is provided, keeping the focus on the tool specifications and trade conditions.