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    GerryMS's Avatar
    GerryMS Posts: 1, Reputation: 1
    New Member
     
    #1

    Apr 17, 2008, 08:22 AM
    ScrewDriver Bits; What is this one?
    Hi all - Newbie here from suburban Philadelphia, Pennsylvania.
    I recently purchased a pack of screwdriver bits for my cordless DrillDrivers. Within this set are several different types of bits for driving various screws; Phillips, slotted, torx, and hex. There is also a few bits that look like Phillips but are marked PZ1 and PZ2. I know the PH1 and PH2 = Phillips size 1 and size 2, but what is *Z*??
    ballengerb1's Avatar
    ballengerb1 Posts: 27,378, Reputation: 2280
    Home Repair & Remodeling Expert
     
    #2

    Apr 17, 2008, 08:43 AM
    Pozidriv Insert / Long / Torsion / ACR Bits(PZ0 / PZ1 / PZ2 / PZ3 / PZ4) - Meeng Gang Enterprise Co., Ltd. They may be what's considered a "security set" of bits to make things harder for vandals to take apart.
    MOWERMAN2468's Avatar
    MOWERMAN2468 Posts: 3,214, Reputation: 243
    Ultra Member
     
    #3

    Apr 17, 2008, 03:06 PM
    Ballengerb1 is right, these are security bits.

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