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超硬質(zhì)合金線嘴：此產(chǎn)品以超硬合金為材料精密加工而成，其硬度高達(dá)hra90以上，此產(chǎn)品兩端及內(nèi)孔全部為鏡面加工，以保障漆包線不被刮傷。具有極高的鋼性和硬度，不易彎曲及堵塞、耐沖擊。

 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.