The utility model relates to a jack screw and plug screw driver, which is characterized in that a hole is drilled along an axial direction in a screw, and a plug is added on the head of a screwdriver.
一种插孔螺钉及插头螺丝刀。它是在螺钉上沿轴向钻了一个孔，在螺丝刀头部加了一个插头。
Australia professional management operation, the specialty is engaged in the charging screwdriver machine series, with plug electric tools of research, development and production.
澳大利亚专业人士管理运行，专业从事充电起子机系列，插电式电动工具的研制、开发及生产。
A series of screwdriver bars can be installed in the cross plug respectively.
十字插头内可分别安装系列螺丝刀杆类。
A series of screwdriver bars can be installed in the cross plug respectively.
十字插头内可分别安装系列螺丝刀杆类。
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