1/4-INCH ADAPTOR FOR ELECTRIC SCREWDRIVERS

摘要

The invented adaptor is applicable to electric screwdrivers and able to receive plural accessories (drilling devices, bits, thread cutting tools, grindstones etc) inside the reception 4. The head 1 facilitates the extraction of the adaptor from the screwdriver. The Allen-type screw 3 fastens the accessories to the adaptor. The change of different accessories or the replacement of the damaged ones is carried out by means of the reception 4 and the Allen-type screw 3.