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Screwdriver bits are typically available in 1” 2” 3” 4” 6” and 12” lengthsįor heavy duty impact driving, use bits with extended torsion zone. JIS screw heads have 90-degree corners and do not provide a cam out option. Phillips screwdrivers cam-out if too much torque is applied. ****JIS (Japanese Industrial Standard) and Phillips (PH) may look similar but are not. Most of these are specialty and/or security screwdriver bits that are less common but still widely used in specific industries and countries around the world. While these are the five most common screwdriver bit configurations, the following profiles are examples of the additional 32 plus different profiles on the market today. ***Most popular screw configuration in Canada.
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**Popular in the automotive and appliance industry
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How to choose the right screwdriver bit to fit your screw headįive most common North American screwdriver bit types Slot or Flathead
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