The variable hexagonal box spanner is the synthesis of the manual screw spanner and the hexagonal box spanner.
可变六角套筒扳手则是对手动螺丝扳手和六角套筒扳手的综合。
The spanner is different, according to the structure may divide into two big kinds, namely manual screw spanner and box spanner.
扳手按照结构的不同主要可以分为两大类，即手动螺丝扳手和套筒扳手。
Convenience : The water chestnut of the screw can fit exactly into this special desighed spanner, which avoids the problem of slipping out as using the normal jack handles.
简便：可以避免一般千斤顶在负载时必需双手操作或摇杆容易脱钩的缺点，配套的扳手与菱角螺杆起着互相固定的作用。
Direction degree of screw out can be adjusted easily . No air pipes and switches are exchanged necessarily. This adjustment may be carried out simply by a spanner . Therefore , it is time saving.
旋出方向度调整容易，不需要更换风管及开关，只需扳手轻松调整，节省时间。
The new unit is mainly made up of adjusting base, leading screw, diagonal rack and special spanner.
该装置主要由调整座、丝杠、斜齿条和专用扳手组成。
Six angular nuts, one time only need the spanner to move 60 degrees, can screw tight slowly the nut.
六角形的螺母，一次只需要把扳手扳动60度，就能够慢慢把螺母拧紧。
Six angular nuts, one time only need the spanner to move 60 degrees, can screw tight slowly the nut.
六角形的螺母，一次只需要把扳手扳动60度，就能够慢慢把螺母拧紧。
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