鉆頭顧名思義指的是(shi)用(yong)(yong)來(lai)進行鉆孔(kong)或者(zhe)擴孔(kong)的刀(dao)(dao)具(ju),這種鉆頭一般是(shi)采用(yong)(yong)金屬材質制造的,是(shi)用(yong)(yong)以在實體(ti)材料上鉆削出通(tong)孔(kong)或盲孔(kong)的刀(dao)(dao)具(ju)。麻花(hua)鉆是(shi)應用(yong)(yong)最廣的孔(kong)加工刀(dao)(dao)具(ju)。通(tong)常(chang)直徑范圍為0.25~80毫(hao)米。它主要(yao)由鉆頭工(gong)作部分(fen)和柄部構成。工(gong)作部分(fen)有兩條螺(luo)旋(xuan)形的溝槽,形似麻花,因而得名...進入鉆頭知識講堂>>