The product of the utility model can be widely applied to the occasion needing to use the screwdriver head with the identification function.

本实用新型产品可广泛适用于需要使用具有辨识功能的起子头的场合。

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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。

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The utility model relates to a screwdriver which has the functions of a screwdriver with a flat cutter head and a cruciform screwdriver.

本实用新型涉及到一种螺丝刀，集扁平刀头螺丝刀和十字花螺丝刀于一体。

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He used a Phillips-head eyeglass screwdriver to undo the two screws in the back of the phone.

NEWYORKER: Machine Politics