Is a screwdriver used to twist screws to force them into place? OK?, Usually there is a thin wedge head, which can be inserted into the slot or notch of the screw head-also known as "Screwdriver". There are mainly two types: one word (minus sign) and Cross (plus sign). There are also hexagonal screwdrivers, including hexagon socket and hexagon socket. The Screwdriver is divided into traditional screwdriver (English: Screwdriver) and Ratchet screwdriver (electric Screwdriver) (English: Ratchet screwdriver). Traditional screwdriver consists of a plastic handle plus a iron rod that can lock screws, while ratchet screwdriver consists of a plastic handle plus a ratchet mechanism. The latter allows iron rod of the lock screw to rotate clockwise or counterclockwise to promote the efficiency of the lock screw by idling, without turning the power driver (hand) back to the original position one by one. Usage: align the end of the screwdriver with a special shape with the top pit of the Screw, fix it, and then start rotating the handle. According to specifications,? It is more closed than **🎇** 🕒 The governor is more closed than **&#127879** 🎄 Leech 🕖 Sand? Slot Type screwdriver can be applied to cross screws. However, cross screws have strong deformation resistance. Item 1. When using, screwdriver cannot be used when crowbar or chisel. 2. Before use, clean the oil stain on the handle and mouth of the screw knife to avoid accidents caused by slippage during work, and wipe it clean after use. 3. The correct method is to hold the screwdriver with the right hand, hand? Swollen &#127804? 4. When starting to loosen or finally tighten, apply force to press the screwdriver and then use wrist force to twist the screwdriver; When the bolt is loose, you can gently press the screw handle with your thumb, the middle finger and index finger quickly turn the screwdriver. 5. The selected screwdriver Port end should be consistent with the slot on the bolt or screw. If the mouth end is too thin and easy to break, if it is too thick, it cannot be completely embedded in the groove, which is easy to damage the knife edge or bolt slot. 6. Screwdriver is a manual tool used to tighten or loosen bolts or screws with notches. There are several kinds of screwdriver, cross screwdriver, offset screwdriver, etc.