Once only to drawing end part of screw rod rupture instrument

The utility model relates to a building engineering construction field discloses an once only to drawing end part of screw rod rupture instrument, including holding the pole, the one end of holding the pole is provided with the parallel and welds in the straight screw sleeve of its lateral part, and straight screw sleeve flushes with the tip of holding the pole. The utility model discloses to to drawing screw rod material hard characteristics fragile partially, with traditional cut off, pound disconnected etc. Break the mode and change the rupture into, make simple and easy, easy and simple to handle, have enough rigidity, can use by manifold cycles, use of this rupture device can promote once only to drawing the the end part of the screw rod processing speed after the building site form removal board greatly, reduces to express one's appreciation power consumption improvement work efficiency.