Traduciendo paso 3
Paso 3
PH vs JIS
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Bits with the prefix "J" and "PH" are often thought to be the same bit. Don't be fooled by their similar appearance—they are quite different.
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Phillips (PH) screws are designed to make a Phillips screwdriver cam out if too much torque is applied. This prevents damage to screws and screwdrivers or bits.
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Japanese Industrial Standard (J) screws do not provide a cam-out option, and have 90 degree corners.
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