?右旋螺纹丝锥

... right hand side 右侧右手 right hand thread tap 右旋螺纹丝锥 right hand turn 右向旋转 ...

?右螺纹丝锥

... right hand thread 右旋螺纹; 正扣 right hand thread tap 右螺纹丝锥 right-hand screw thread 右螺纹; 右旋螺纹 ...