thread die

die ... two-step die (两个凹模上下相叠的)重合模 thread die 切丝板牙 upsetting die 顿锻模 ...

直角三角形_馆档网 ... "螺纹车床"," thread cutting lathe" "螺模"," thread die" "螺纹规"," thread gage" ...

积累的一些紧固件行业常用英文专业术语... ... Flange 法兰 Thread die 牙板 Flat head 平头 ...