Screwdriver is a tool used for screwing or unscrewing torque and bolts based on wood, plastic, or metal components of the screwdriver can be divided into 3 parts. Is.The handle (Handle) used for handles are made of wood, metal, or plastic.Shaft or axis (Shank) is used to send the torque to the terminal made of metal. There is a square or round.The mouth or the end (Blade) used to insert or wear into the groove of the screw head or bolts made of metal, the mouth is 2. Mouth four radial (Phillip) and flat. (Flat).Using a screwdriver with a safe, do as follows.Select the use of a screwdriver to fit the groove of the screw head or bolts, such as the mouth four radial groove of the screw head to a four point flat mouth groove of screw heads have to be round.The thickness of the mouth screwdriver must fit the groove of the screw heads.... the...Holding a screwdriver for right-hander, use your right and left hand catch catch shaft axis and exert the right hand and the left hand Bi d only support. If it is not enough to use the wrench.While in use a screwdriver to erect or perpendicular to the screw heads. To loosen the screw torque screwdriver counterclockwise. And twist clockwise to tighten tightly.Exert a torque screwdriver, not only should exert pressure too.Should not hold the pieces in hand while using a screwdriver, because may miss the right hand.Do not use a screwdriver damage such as shaft break or crack mouth bent or twistedThe screw based on a piece of wood or metal hammer drill should be used first.The mouth of a screwdriver and screw heads have no oil or grease.Do not use a screwdriver instead extract lead iron center or lever.Do not use the hammer handle screwdriver. Except for the driver, which designed to use the hammer.Using a screwdriver to check the fire check circuit. Of the screwdriver handle is insulated to not break or crack. And should not be used to detect circuit with current or electromotive force is high.Later used to clean up and stored in a dry, without any oil or grease.How to use a screwdriver fire temple.--------------------------------------------------------------------------------.1 screwdriver try that fire is a simple tool for examining objects or conductor. The power or voltage or not. And also used to monitor the electrical appliance that is leaking or not.2. Work.
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