The general taps are right-hand thread. Please specify if some left-hand thread taps are needed.

丝锥通常生产右扣螺纹，如需左扣螺纹应在订货时说明。

youdao

The general taps are right-hand thread. Please specify if some left-hand thread taps are needed.

丝锥通常生产右扣螺纹，如需左扣螺纹应在订货时说明。

youdao