Big slotted and Philips screw driver

A screwdriver is a implement for propelling screws or bolts with extraordinary slots, and at times for rotating other machine elements with the mating move ahead system. The screwdriver is made up of a head or lean over, which retains services with a fasten, a mechanism to ask for torque by rotating the lean over, and some way to location and support the screwdriver. A normal hand screwdriver comprises an about cylindrical handle of a amount and profile to be held by a human hand, and an axial shaft fastened to the handle, the lean over of which is profiled to fit a actual sort of screw. The handle and shaft sanction the screwdriver to be positioned and carried and, when rotated, to ask for torque. Screwdrivers are made in a type of profiles, and the lean over can be rotated manually or by an electric motor or other motor.