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Products

    • Home /
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    • Hand Tools/
    • Allen Keys/
    • Short Arm Allen Wrenches



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  • Hex Allen Key Short Arm 3/32

    Hex Allen Key Short Arm 3/32" Black Alloy

    Hex Allen Key Short Arm 1/16

    Hex Allen Key Short Arm 1/16" Black Alloy

    Hex Allen Key Short Arm 5/64

    Hex Allen Key Short Arm 5/64" Black Alloy

    Hex Allen Key Short Arm 1/8

    Hex Allen Key Short Arm 1/8" Black Alloy

    Hex Allen Key Short Arm 5/32

    Hex Allen Key Short Arm 5/32" Black Alloy

    Hex Allen Key Short Arm 7/64

    Hex Allen Key Short Arm 7/64" Black Alloy

    Hex Allen Key Short Arm .050 Black Alloy

    Hex Allen Key Short Arm .050 Black Alloy

    Hex Allen Key Short Arm 3/16

    Hex Allen Key Short Arm 3/16" Black Alloy

    M2.5 Hex Allen Key Short Arm Black Alloy

    M2.5 Hex Allen Key Short Arm Black Alloy

    M3 Hex Allen Key Short Arm Black Alloy

    M3 Hex Allen Key Short Arm Black Alloy

    M2 Hex Allen Key Short Arm Black Alloy

    M2 Hex Allen Key Short Arm Black Alloy

    M1.5 Hex Allen Key Short Arm Black Alloy

    M1.5 Hex Allen Key Short Arm Black Alloy

    M4 Hex Allen Key Short Arm Black Alloy

    M4 Hex Allen Key Short Arm Black Alloy

    Hex Allen Key Short Arm 9/64

    Hex Allen Key Short Arm 9/64" Black Alloy

    Hex Allen Key Short Arm .035 Black Alloy

    Hex Allen Key Short Arm .035 Black Alloy

    M5 Hex Allen Key Short Arm Black Alloy

    M5 Hex Allen Key Short Arm Black Alloy

    M0.9 Hex Allen Key Short Arm Black Alloy

    M0.9 Hex Allen Key Short Arm Black Alloy

    Hex Allen Key Short Arm .028 Black Alloy

    Hex Allen Key Short Arm .028 Black Alloy

    Hex Allen Key Short Arm 1/4

    Hex Allen Key Short Arm 1/4" Black Alloy

    M6 Hex Allen Key Short Arm Black Alloy

    M6 Hex Allen Key Short Arm Black Alloy

    Hex Allen Key Short Arm 3/8

    Hex Allen Key Short Arm 3/8" Black Alloy

    Hex Allen Key Short Arm 7/32

    Hex Allen Key Short Arm 7/32" Black Alloy

    Hex Allen Key Short Arm 5/16

    Hex Allen Key Short Arm 5/16" Black Alloy

    M10 Hex Allen Key Short Arm Black Alloy

    M10 Hex Allen Key Short Arm Black Alloy

    M1.3 Hex Allen Key Short Arm Black Alloy

    M1.3 Hex Allen Key Short Arm Black Alloy

    M8 Hex Allen Key Short Arm Black Alloy

    M8 Hex Allen Key Short Arm Black Alloy

    M12 Hex Allen Key Short Arm Black Alloy

    M12 Hex Allen Key Short Arm Black Alloy

    20 Piece Short Arm Hex Key Set - SAE and Metric

    20 Piece Short Arm Hex Key Set - SAE and Metric

    Hex Allen Key Short Arm 5/8

    Hex Allen Key Short Arm 5/8" Black Alloy

    Hex Allen Key Short Arm 1/2

    Hex Allen Key Short Arm 1/2" Black Alloy

    M17 Hex Allen Key Short Arm Black Alloy

    M17 Hex Allen Key Short Arm Black Alloy

    Hex Allen Key Short Arm 7/8

    Hex Allen Key Short Arm 7/8" Black Alloy

    Hex Allen Key Short Arm 3/4

    Hex Allen Key Short Arm 3/4" Black Alloy

    M19 Hex Allen Key Short Arm Black Alloy

    M19 Hex Allen Key Short Arm Black Alloy

    M14 Hex Allen Key Short Arm Black Alloy

    M14 Hex Allen Key Short Arm Black Alloy

    Hex Allen Key Short Arm 7/16

    Hex Allen Key Short Arm 7/16" Black Alloy

    Hex Allen Key Short Arm 9/16

    Hex Allen Key Short Arm 9/16" Black Alloy

    Hex Allen Key Short Arm 1

    Hex Allen Key Short Arm 1" Black Alloy

    Short Arm Allen Wrenches

    Hex Keys with Short Arms

    Allen Wrenches, also called hex keys, Allen keys or hex wrenches, are a six-sided wrench designed to drive an internal hexagonal drive style. The short side of a hex wrench is used when more torque is required, and the longer side is used for length.

    Short Arm hex keys are easier to get into tight spaces than Long Arm hex keys. They also offer better reach overall because of their more diminutive size. A benefit of this style of Allen wrench is that the entire tool is shaped as the drive. If one of the ends wears down from use, it can be cut off, and the tool can be used again.


    Short Arm Hex Key Specifications - Inch

    Hex Allen Key Sizes Width Across Flats Length of Long Arm Length of Short Arm
    0.028" Max 0.0280 - Min 0.0275 1.219" 0.219"
    0.035" Max 0.0350 - Min 0.0345 1.219" 0.344"
    0.050" Max 0.050 - Min 0.049 1.656" 0.531"
    1/16" Max 0.0625 - Min 0.0615 1.75" 0.562"
    5/64" Max 0.0781 - Min 0.0771 1.875" 0.609"
    3/32" Max 0.0937 - Min 0.0927 2" 0.656"
    7/64" Max 0.1093 - Min 0.1077 2.125" 0.703"
    1/8" Max 0.1250 - Min 0.1235 2.25" 0.75"
    9/64" Max 0.1406 - Min 0.1391 2.375" 0.796"
    5/32" Max 0.1562 - Min 0.1547 2.5" 0.844"
    3/16" Max 0.1875 - Min 0.1860 2.75" 0.938"
    7/32" Max 0.2187 - Min 0.2172 3" 1.031"
    1/4" Max 0.250 - Min 0.248 3.25" 1.125"
    5/16" Max 0.3125 - Min 0.3110 3.75" 1.25"
    3/8" Max 0.375 - Min 0.373 4.25" 1.375"
    7/16" Max 0.4375 - Min 0.4355 4.75" 1.5"
    1/2" Max 0.5000 - Min 0.4975 5.25" 1.625"
    9/16" Max 0.5625 - Min 0.5600 5.75" 1.75"
    5/8" Max 0.6250 - Min 0.6225 6.25" 1.875"
    3/4" Max 0.750 - Min 0.747 7.25" 2.125"
    7/8" Max 0.875 - Min 0.872 8.25" 2.375"
    1" Max 1.000 - Min 0.997 9.25" 2.65"

    Short Arm Hex Key Specifications - Metric

    Hex Allen Key Sizes Width Across Flats Length of Long Arm Length of Short Arm
    0.9M Max 0.899 - Min 0.876 Max 34M - Min 28M Max 11M - Min 6M
    1.3M Max 1.270 - Min 1.244 Max 44M - Min 39M Max 16M - Min 11M
    1.5M Max 1.50 - Min 1.47 Max 45M - Min 43M Max 14M - Min 13M
    2M Max 2.00 - Min 1.97 Max 50M - Min 48M Max 16M - Min 15M
    2.5M Max 2.50 - Min 2.47 Max 56M - Min 53M Max 18M - Min 17M
    3M Max 3.00 - Min 2.96 Max 63M - Min 60M Max 20M - Min 18M
    4M Max 4.00 - Min 3.96 Max 70M - Min 66M Max 25M - Min 23M
    5M Max 5.00 - Min 4.96 Max 80M - Min 76M Max 28M - Min 26M
    6M Max 6.00 - Min 5.95 Max 90M - Min 86M Max 32M - Min 30M
    8M Max 8.00 - Min 7.95 Max 100M - Min 95M Max 36M - Min 34M
    10M Max 10.00 - Min 9.95 Max 112M - Min 106M Max 40M - Min 38M
    12M Max 12.00 - Min 11.95 Max 125M - Min 119M Max 45M - Min 43M
    14M Max 14.00 - Min 13.95 Max 140M - Min 133M Max 56M - Min 53M
    17M Max 17.00 - Min 16.93 Max 160M - Min 152M Max 63M - Min 60M
    19M Max 19.00 - Min 18.93 Max 280M - Min 271M Max 70M - Min 67M

    FAQs

    What are Allen Keys used for?

    Allen keys, or Allen wrenches, are simple tools used to drive screws and bolts with hexagonal drives or sockets. Socket Cap Products, such as socket set screws and socket cap screws, are predominately driven with Allen keys.

    Are hex keys the same as Allen keys or Allen wrenches?

    Yes. A hex key is a generic term for this type of tool while "Allen key" and "Allen wrench" refer to the Allen brand that popularized it.

    How do I find my hex key size?

    Hex key sizes are stamped on the side of the tool for easy identification.

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