american national coarse thread series  美国国家粗螺纹系列

coarse thread  粗螺纹; 粗牙螺纹; 粗螺距

coarse thread screw  粗纹螺钉; 粗螺纹螺钉

coarse-thread series  精螺纹级

metric coarse thread  公制粗螺纹

national coarse thread  国家标准粗牙螺纹

unified coarse thread  统一标准粗牙螺纹

unified coarse thread series  统一的标准粗牙螺纹系列

brass thread tap  黄铜螺丝攻

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