Apr. 1, 2015. TDK Corporation has announced that its Hong Kong-based HDD head manufacturing wholly owned subsidiary, SAE Magnetics (H.K.) Ltd.
You use a wrench to screw, or unscrew a bolt. A screwdriver is for screws. Either way you turn it left. Some bolts have reverse threads and would turn the other way to unbolt.
Unscrew the bottom section of the banana plug slightly. This should reveal a hole that passes through the cylindrical body. It's usually not necessary to separate the base completely, but those who use thicker wire may have to do so. Insert the exposed wire into the hole until it just begins to poke out the other side.