Screw tap
    1.
    发明授权
    Screw tap 有权
    螺丝攻

    公开(公告)号:US08944728B2

    公开(公告)日:2015-02-03

    申请号:US12998194

    申请日:2009-09-22

    IPC分类号: B23G5/06 B23B31/00

    摘要: A screw tap includes a shaft having at least one cutting portion and a drive portion. The drive portion is of a cross-section complimentary to tools adapted to act upon the drive portion. The shaft is provided with a recess extending axially thereof and adapted to receive drive device having a cross-section corresponding to the cross-section of the recess.

    摘要翻译: 螺杆抽头包括具有至少一个切割部分和驱动部分的轴。 驱动部分具有与适于作用在驱动部分上的工具互补的横截面。 轴设置有其轴向延伸的凹部,并且适于接收具有与凹部的横截面对应的横截面的驱动装置。