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Fastener Superstore Fastener Guide". Archived from the original on 2017-12-29 . Retrieved 2017-12-28.
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Pozidriv screwdriver will fit any Supadrive screw and vice-versa. However, the Supadriv screwdriver, when used with a Supadriv screw, allows for using the screwdriver at a (slight) angle without risking it coming out when higher torque is applied. a b Editors (April, May 1913). "Goodwin's Hollow Safety Set Screw" Hardware Dealers' Magazine. pp. 846 V, 865, 1090Pz2 screwdriver bits are used for Phillips head screws. Ph2 screwdriver bits are used for Pozidriv screws. Can I use pz2 instead of PH2? Fortunately, I don’t get to choose how our educational system is set up. One worry (tough choice) less. 🙂 Much like Phillips screwdrivers, Robertson drives use a numbering system. What sets these apart, however, is that all sizes are also color-coded for easy reference. Robertson Sizes Chart Color Code a b arcticpenguin (2008-12-29). "SupaDriv". Instructables.com. Archived from the original on 2012-03-24 . Retrieved 2012-03-12.