coarse thread tap 粗牙丝锥 ; 粗螺纹丝锥

cut thread tap 不磨牙丝锥

acme thread tap 梯形丝锥 ; 爱克米丝锥

metric thread tap 公制螺纹丝锥 ; 米制丝锥

brass thread tap 黄铜螺丝攻

taper thread tap 锥螺纹丝锥

pipe thread tap 管丝锥 ; 管螺纹丝锥

cylindrical pipe thread tap 圆柱管丝锥