For high-speed steel drill bits, Chinese high-speed steel material brands include HEYE, Tiangong, Fuda, Jinggong, Fugong. Different brands of HSS material suppliers have different quality levels. The best is Heye, whose stability is longer than Tiangong.
Before we purchase and use high-speed steel raw materials, we will conduct a comprehensive inspection of raw materials, including quality, characteristics, status, etc., to ensure that their quality meets the requirements. At the same time, we can provide our customers with the inspection report of this batch of high-speed steel raw materials.