Are jis screws common knowledge? I thought it was. What leads me to asking is prompted by a call from my nephew yesterday. He was having trouble with a rotor screw. I asked him if he was using a Phillips head or a jis screwdriver. To my surprise he had no idea there was such a thing as jis. I wasn`t surprised he didn`t have a jis screwdriver of his own, but I thought he knew about them. Japanese cars for years haven`t had Phillips head screws in them. They`ve all been jis. Even U.S. auto manufacturers use them exclusively anymore. Using a Phillips head screwdriver in a jis head screw makes for a great chance of stripping the screw out.
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