But quick replacement's drift

The utility model discloses a but quick replacement's drift, wherein, include: a screw hole complex threaded connection portion for with punch plate, the location boss, the location boss with threaded connection portion links to each other, just the location boss is located the below of threaded connection portion, the main part, the main part with the location boss links to each other, just the main part is located the below of location boss, the portion of punching a hole, punch a hole the portion with the main part links to each other, just punch a hole the position in the below of main part. The utility model provides a but quick replacement's drift when head wear or rupture, can realize the quick replacement drift through setting up threaded connection inferior officer drift and punch plate threaded connection, has improved production efficiency.