A new type of auto-reversible tap holder

一种新型自动可逆式 攻丝 夹头

The utility model relates to a screw tap used in the manufacturing of a clip of a bridge prestressing force anchor holder .

本实用新型涉及一种桥梁预应力锚 夹具的夹片制造用 丝锥。

This subject introduce a kind of auto-reversible tap holder which used in NC machines .

介绍了一种自动可逆式 攻丝 夹头在数控机床上的应用。