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    2 Products

    Asymmetrical Bits

    Image of Product. Front orientation. Screwdriver Bits. Asymmetrical Bits.
    Access restricted equipment secured with asymmetrical screws. These bits have a unique drive that's only available from McMaster-Carr, so they're a favorite for thwarting thieves.
    Hex Shank—Also known as insert bits, these snap into hand tools. If you want to use them with power tools, attach a bit adapter (not included).
    Steel—Best for dry environments, since moisture will cause these bits to rust.
    Drive
    Size
    Overall
    Lg.
    Material
    Each
    For Hand Tools
     
    1/4" Hex Shank Size
    U101"Steel99355A623000000
    U251"Steel99355A62400000
     
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