摘要 |
<p>The device (1) has an attachment (12) which is placed on a hand screw tap (2) or a workpiece and is provided on the hand screw tap or the side with an align level (13), where the side faces the workpiece. The attachment is provided with a magnet (14), a thread and an outer polygon. A clamping unit (8) is provided in a holder (3) and has two parts (8.1,8.2) displaceable against to each other. The parts of the clamping unit are horizontally movably arranged in the holder.</p> |