screw tap 手攻丝锥

tap screw and die 丝锥板牙套装

Self tap screw 自攻螺丝

hand screw tap 手用丝锥

inch screw tap 英制螺纹丝锥

Screw Cutting Tap 螺旋切削丝锥

international screw tap 国际米制丝锥 ; 公制丝锥

coarse screw tap 粗丝锥 ; 粗螺丝攻

power operated screw tap 机动丝锥