TM 9-243USING SCREWDRIVERS - ContinuedPREPARING THE WORK SURFACE1 Before attempting to drive a screw into wood, youfirst make a pilot hole (1) using a screw starter(gimlet) (2), an awl, a nail, or a drill.2 Before attempting to drive a screw into sheet metalyou should make a pilot hole using a drill. However,lightweightsheet metal can bepierced with a nail orpunch.USING A SCREWDRIVER1 Insert the screw (1) in the pilot hole. Insert thescrewdriver tip (2) in the screw slot of the screw asshown.2Keep the screwdriver in line with the screw asshown. You may want to use your other hand tokeep the blade steady.3 Turn clockwise to screw in, counterclockwise tounscrew.4 Do not use a pliers to turn the screwdriver whendriving or removing screws that are hard to turn. Forhard-to-turn screws, use a square blade screw-driver designed for heavy-duty work and a wrenchwhich properly fits the blade.USING AN OFFSET SCREWDRIVER1 Select the correct style and tip size for the screwbeing used.2 Insert the tip (1) in the screw slot.3 In tight places you may have to alternate tips (1and 2) to complete turning the screw.22-6
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