tap for trapezoidal thread  梯形螺纹丝锥

trapezoidal thread broaching tap  梯形螺纹拉削丝锥

double-line trapezoidal thread  双线梯形螺纹

Trapezoidal Thread  梯形螺纹

brass thread tap  黄铜螺丝攻

coarse thread tap  粗螺纹丝锥

cut thread tap  不磨牙丝锥

cylindrical pipe thread tap  圆柱管丝锥

fine thread tap  细牙丝锥

interrupted thread tap  间歇式丝锥

left-hand thread tap  左旋螺纹丝锥

metric thread tap  公制螺纹丝锥

pipe thread tap  管螺纹丝锥; 管丝锥

right hand thread tap  右旋螺纹丝锥

special taper thread tap for gas cylinder  气瓶专用锥形螺纹丝锥

square thread tap  方螺丝攻

taper thread tap  推拔螺纹螺丝攻; 锥螺纹丝锥

thread tap  螺纹塞; 螺纹攻

tap-tap  敲门声