超硬质合金线嘴：此产品以超硬合金为材料精密加工而成，其硬度高达hra90以上，此产品两端及内孔全部为镜面加工，以保障漆包线不被刮伤。具有极高的钢性和硬度，不易弯曲及堵塞、耐冲击。

 hard alloy nozzle: the product is made precisely of hard alloy and enjoys the hardness up to hra90.two terminals and inner hole are all receive mirror surface treatment to ensure enameled wire makes no scrape. high hardness, resistance to flexure, block and impact.