| 摘要 |
The holder (10) for a screw fastener (50), at a powered screwdriver (2), is inserted into the tool bit (46). The holder has at least two grips (20) at the screw shaft (74) when in the support position, which are released by a force to move them away from the screw shaft. The grips have at least one contact roller (40) to form the leading limit stop for the holder in the driving direction (22) of the screw.
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